NationMaster - Encyclopedia: Periodic table (block)

Color coding for atomic numbers: A periodic table group is a vertical column in the periodic table of the chemical elements. ... The alkali metals are a chemical series. ... The alkaline earth metals are the series of elements in Group 2 of the periodic table: beryllium, magnesium, calcium, strontium, barium and radium (not always considered due to its very short half-life). ... A Group 3 element is an element in periodic table group 3 (IUPAC style) in the periodic table, which consists of: scandium (21) yttrium (39) lanthanum (57) - lutetium (71) actinium (89) - lawrencium (103) All of these elements are classed in Group 3 because their outer shell holds three electrons. ... A Group 4 element is an element in periodic table group 4 (IUPAC style) in the periodic table, which consists of: titanium (22) zirconium (40) hafnium (72) rutherfordium (104) All of these elements are classed in Group 4 because their valence shell holds four electrons. ... A Group 5 element is an element in periodic table group 5 (IUPAC style) in the periodic table, which consists of: vanadium (23) niobium (41) tantalum (73) dubnium (105) All of these elements are classed in Group 5 because their valence shell holds four electrons. ... The group 6 in the periodic table consists of the elements chromium (24) molybdenum (42) tungsten (74) seaborgium (106) Group 6 is the new IUPAC name for this group, the old style name was group VIA in the old European system or group VIB in the old US system. ... A Group 7 element is an element in periodic table group 7 (IUPAC style) in the periodic table, which consists of: manganese (25) technetium (43) rhenium (75) bohrium (107) All of these elements are classed in Group 7 because their valence shell holds four electrons. ... A Group 8 element is an element in periodic table group 8 (IUPAC style) in the periodic table, which consists of: Iron (26) Ruthenium (44) Osmium (76) Hassium (108) All of these elements are classed in Group 8 because their valence shell holds four electrons. ... The Group 9 elements are: Cobalt (27) Rhodium (45) Iridium (77) Meitnerium (109) Color coding for these atomic numbers: At room temperature, all are solid; red indicates item is synthetic and does not occur naturally. ... The Group 10 elements are: Nickel (28) Palladium (46) Platinum (78) Darmstadtium (110) Color coding for these atomic numbers: At room temperature, all are solid; red indicates item is synthetic and does not occur naturally. ... The Group 11 Elements (IB) of the periodic table consist of the traditional coinage metals of copper, silver, and gold. ... The Group 12 elements are: Zinc (30) Cadmium (48) Mercury (80) Ununbium (112) Color coding for these atomic numbers: At room temperature, all are solid but mercury is liquid; red indicates item is synthetic and does not occur naturally. ... The Boron group is periodic table group 13 (IUPAC style) in the periodic table. ... The carbon group is group 14 (IUPAC style) in the periodic table. ... The group 15 elements(a. ... The chalcogens are the name for the periodic table group 16 (old-style: VIB or VIA) in the periodic table. ... The halogens are a chemical series. ... The noble gases are a chemical series. ... In the periodic table of the elements, a period is a row of the table. ... A period 1 element is one of the chemical elements in the first row (or period) of the periodic table of the elements. ... General Name, Symbol, Number Hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1 (IA), 1, s Density, Hardness 0. ... General Name, Symbol, Number Helium, He, 2 Atomic mass 4. ... A period 2 element is one of the chemical elements in the second row (or period) of the periodic table of the elements. ... General Name, Symbol, Number Lithium, Li, 3 Series Alkali metal Group, Period, Block 1(IA), 2, s Density, Hardness 535 kg/m3, 0. ... General Name, Symbol, Number Beryllium, Be, 4 Series Alkaline earth metals Group, Period, Block 2 (IIA), 2, s Density, Hardness 1848 kg/m3, 5. ... General Name, Symbol, Number Boron, B, 5 Series Metalloids Group, Period, Block 13 (IIIA), 2, p Density, Hardness 2460 kg/m3, 9. ... General Name, Symbol, Number Carbon, C, 6 Chemical series Nonmetals Group, Period, Block 14 (IVA), 2, p Density, Hardness 2267 kg/m3 0. ... General Name, Symbol, Number Nitrogen, N, 7 Chemical series nonmetals Group, Period, Block 15 (VA), 2, p Density 1. ... General Name, Symbol, Number Oxygen, O, 8 Chemical series nonmetals Group, Period, Block 16 (VIA), 2, p Density, Hardness 1. ... General Name, Symbol, Number Fluorine, F, 9 Series Halogens Group, Period, Block 17 (VIIA), 2, p Density, Hardness 1. ... General Name, Symbol, Number Neon, Ne, 10 Chemical series Noble gases Group, Period, Block 18 (VIIIA), 2, p Density, Hardness 0. ... A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the elements. ... General Name, Symbol, Number sodium, Na, 11 Series alkali metal Group, Period, Block 1 (IA), 3, s Density, Hardness 968 kg/m3, 0. ... General Name, Symbol, Number magnesium, Mg, 12 Series alkaline earth metals Group, Period, Block 2 (IIA), 3, s Density, Hardness 1738 kg/m³, 2. ... General Name, Symbol, Number aluminium, Al, 13 Chemical series poor metals Group, Period, Block 13 (IIIA), 3, p Density, Hardness 2700 kg/m3, 2. ... General Name, Symbol, Number silicon, Si, 14 Series metalloid Group, Period, Block 14 (IVA), 3, p Density, Hardness 2330 kg/m3, 6. ... This article is about the chemical element. ... General Name, Symbol, Number sulfur, S, 16 Chemical series nonmetals Group, Period, Block 16 (VIA), 3, p Density, Hardness 1960 kg/m3, 2 Appearance Lemon yellow at STP Atomic properties Atomic weight 32. ... General Name, Symbol, Number chlorine, Cl, 17 Series halogens Group, Period, Block 17 (VIIA), 3, p Density, Hardness 3. ... General Name, Symbol, Number argon, Ar, 18 Chemical series noble gases Group, Period, Block 18 (VIIIA), 3, p Density, Hardness 1. ... A period 4 element is one of the chemical elements in the fourth row (or period) of the periodic table of the elements. ... General Name, Symbol, Number potassium, K, 19 Series alkali metals Group, Period, Block 1(IA), 4, s Density, Hardness 856 kg/m3, 0. ... General Name, Symbol, Number calcium, Ca, 20 Series alkaline earth metal Group, Period, Block 2 (IIA), 4, s Density, Hardness 1550 kg/m3, 1. ... General Name, Symbol, Number scandium, Sc, 21 Chemical series transition metals Group, Period, Block 3, 4 , d Density, Hardness 2985 kg/m3, U/K Appearance Silvery white Atomic properties Atomic weight 44. ... General Name, Symbol, Number Titanium, Ti, 22 Chemical series transition metals Group, Period, Block 4, 4, d Density, Hardness 4507 kg/m3, 6 Appearance Silvery metallic Atomic properties Atomic weight 47. ... General Name, Symbol, Number vanadium, V, 23 Chemical series transition metals Group, Period, Block 5 , 4 , d Density, Hardness 6110 kg/m3, 7. ... General Name, Symbol, Number chromium, Cr, 24 Chemical series transition metals Group, Period, Block 6 (VIB), 4, d Appearance silvery metallic Atomic properties Atomic weight 51. ... General Name, Symbol, Number manganese, Mn, 25 Chemical series transition metals Group, Period, Block 7 , 4, d Density, Hardness 7470 kg/m3, 6. ... General Name, Symbol, Number iron, Fe, 26 Chemical series transition metal Group, Period, Block 8 (VIIIB), 4, d Density, Hardness 7874 kg/m3, 4. ... General Name, Symbol, Number cobalt, Co, 27 Chemical series transition metals Group, Period, Block 9 , 4, d Density, Hardness 8. ... General Name, Symbol, Number nickel, Ni, 28 Chemical series transition metals Group, Period, Block 10 , 4, d Density, Hardness 8908 kg/m³, 4. ... General Name, Symbol, Number copper, Cu, 29 Chemical series transition metals Group, Period, Block 11 , 4, d Density, Hardness 8920 kg/m3, 3. ... General Name, Symbol, Number zinc, Zn, 30 Chemical series transition metals Group, Period, Block 12, 4, d Density, Hardness 7140 kg/m3, 2. ... General Name, Symbol, Number gallium, Ga, 31 Chemical series poor metals Group, Period, Block 13 (IIIA), 4, p Density, Hardness 5904 kg/m3, 1. ... General Name, Symbol, Number germanium, Ge, 32 Series metalloids Group, Period, Block 14 (IVA), 4, p Density, Hardness 5323 kg/m3, 6 Appearance greyish white Atomic properties Atomic weight 72. ... General Name, Symbol, Number arsenic, As, 33 Series metalloids Group, Period, Block 15 (VA), 4, p Density, Hardness 5727 kg/m3, 3. ... General Name, Symbol, Number selenium, Se, 34 Series nonmetals Group, Period, Block 16 (VIA), 4, p Density, Hardness 4790 kg/m3(300K), 2 Appearance grey, metallic lustre Atomic properties Atomic weight 78. ... General Name, Symbol, Number bromine, Br, 35 Series halogens Group, Period, Block 17 (VIIA), 4, p Density, Hardness 3119 kg/m3 (300 K), NA Appearance Gas: red-brown solid: metallic luster Atomic properties Atomic weight 79. ... General Name, Symbol, Number krypton, Kr, 36 Chemical series Noble gases Group, Period, Block 18 (VIIIA), 4 , p Density, Hardness 3. ... A period 5 element is one of the chemical elements in the fifth row (or period) of the periodic table of the elements. ... General Name, Symbol, Number Rubidium, Rb, 37 Series Alkali metals Group, Period, Block 1(IA), 5, s Density, Hardness 1532 kg/m3, 0. ... General Name, Symbol, Number Strontium, Sr, 38 Series Alkaline earth metal Group, Period, Block 2 (IIA), 5, s Density, Hardness 2630 kg/m3, 1. ... Full table General Name, Symbol, Number Yttrium, Y, 39 Chemical series transition metals Group, Period, Block 3 (IIIB), 5, d Density, Hardness 4472 kg/m3, __ Appearance Silvery white Atomic Properties Atomic weight 88. ... General Name, Symbol, Number Zirconium, Zr, 40 Chemical series transition metals Group, Period, Block 4, 5, d Density, Hardness 6511 kg/m3, 5 Appearance Silvery white Atomic properties Atomic weight 91. ... General Name, Symbol, Number Niobium, Nb, 41 Chemical series Transition metals Group, Period, Block 5, 5 , d Density, Hardness 8570 kg/m3, 6 Appearance grey metallic Atomic properties Atomic weight 92. ... General Name, Symbol, Number molybdenum, Mo, 42 Chemical series transition metal Group, Period, Block 6 (VIB), 5, d Density, Hardness 10280 kg/m3, 5. ... General Name, Symbol, Number technetium, Tc, 43 Chemical series Transition metals Group, Period, Block 7, 5, d Density, Hardness 11500 kg/m3, NA Appearance Silvery gray metallic Atomic properties Atomic mass [98] u Atomic radius (calc. ... General Name, Symbol, Number ruthenium, Ru, 44 Chemical series Transition metals Group, Period, Block 8, 5, d Density, Hardness 12370 kg/m3, 6. ... General Name, Symbol, Number rhodium, Rh, 45 Chemical series Transition metals Group, Period, Block 9, 5 , d Density, Hardness 12450 kg/m3, 6 Appearance Silvery white metallic Atomic properties Atomic weight 102. ... This article describes the chemical element palladium. ... General Name, Symbol, Number silver, Ag, 47 Chemical series Transition metals Group, Period, Block 11, 5, d Density, Hardness 10490 kg/m3, 2. ... General Name, Symbol, Number Cadmium, Cd, 48 Chemical series Transition metals Group, Period, Block 12, 5, d Density, Hardness 8650 kg/m3, 2 Appearance Silvery gray metallic Atomic properties Atomic weight 112. ... General Name, Symbol, Number indium, In, 49 Chemical series Poor metals Group, Period, Block 13 (IIIA), 5, p Density, Hardness 7310 kg/m3, 1. ... General Name, Symbol, Number tin, Sn, 50 Chemical series poor metals Group, Period, Block 14 (IVA), 5, p Density, Hardness 7310 kg/m3, 1. ... General Name, Symbol, Number antimony, Sb, 51 Series metalloids Group, Period, Block 15 (VA), 5, p Density, Hardness 6697 kg/m3, 3 Appearance silvery lustrous grey Atomic properties Atomic weight 121. ... General Name, Symbol, Number tellurium, Te, 52 Series metalloids Group, Period, Block 16 (VIA), 5, p Density, Hardness 6240 kg/m3, 2. ... General Name, Symbol, Number iodine, I, 53 Series halogens Group, Period, Block 17 (VIIA), 5, p Density, Hardness 4940 kg/m3, no data Appearance violet-dark grey, lustrous Atomic properties Atomic weight 126. ... General Name, Symbol, Number xenon, Xe, 54 Chemical series Noble gases Group, Period, Block 18 (VIIIA), 5, p Density, Hardness 5. ... A period 6 element is one of the chemical elements in the sixth row (or period) of the periodic table of the elements, including the Lanthanides. ... General Name, Symbol, Number Caesium, Cs, 55 Series Alkali metals Group, Period, Block 1(IA), 6, s Density, Hardness 1879 kg/m3, 0. ... Barium is also the Latin name for the city Bari in Italy. ... General Name, Symbol, Number Lutetium, Lu, 71 Chemical series Transition metals Group, Period, Block 3, 6 , d Density, Hardness 9841 kg/m3, __ Appearance Silvery white Atomic properties Atomic weight 174. ... General Name, Symbol, Number Hafnium, Hf, 72 Chemical series Transition metals Group, Period, Block 4 (IVB), 6, d Density, Hardness 13310 kg/m3, 5. ... General Name, Symbol, Number Tantalum, Ta, 73 Chemical series Transition metals Group, Period, Block 5 (VB), 6, d Density, Hardness 16650 kg/m3, 6. ... General Name, Symbol, Number Tungsten, W, 74 Chemical series Transition metals Group, Period, Block 6 (VIB), 6, d Density, Hardness 19250 kg/m3, 7. ... General Name, Symbol, Number Rhenium, Re, 75 Chemical series transition metals Group, Period, Block 7 (VIIB), 6, d Density, Hardness 21020 kg/m3, 7 Appearance grayish white Atomic properties Atomic weight 186. ... General Name, Symbol, Number Osmium, Os, 76 Chemical series transition metals Group, Period, Block 8 (VIIIB), 6, d Density, Hardness 22610 kg/m3, 7 Appearance Silvery, Blue Cast Atomic properties Atomic weight 190. ... General Name, Symbol, Number Iridium, Ir, 77 Chemical series transition metals Group, Period, Block 9, 6, d Density, Hardness 22650 kg/m3, 6. ... General Name, Symbol, Number Platinum, Pt, 78 Chemical series transition metals Group, Period, Block 10 , 6, d Density, Hardness 21. ... General Name, Symbol, Number Gold, Au, 79 Chemical series transition metals Group, Period, Block 11 (IB), 6, d Density, Hardness 19300 kg/m3, 2. ... General Name, Symbol, Number Mercury, Hg, 80 Chemical series transition metals Group, Period, Block 12 (IIB), 6, d Density, Hardness liquid 13. ... General Name, Symbol, Number Thallium, Tl, 81 Chemical series Poor metals Group, Period, Block 13 (IIIA), 6 , p Density, Hardness 11. ... General Name, Symbol, Number Lead, Pb, 82 Chemical series Poor metals Group, Period, Block 14(IVA), 6 , p Density, Hardness 11340 kg/m3, 1. ... General Name, Symbol, Number Bismuth, Bi, 83 Chemical series Poor metals Group, Period, Block 15 (VA), 6, p Density, Hardness 9. ... General Name, Symbol, Number Polonium, Po, 84 Series Metalloids Group, Period, Block 6 (VIA), 6, p Density, Hardness 9196 kg/m3, no data Appearance silvery Atomic properties Atomic weight [209] u Atomic radius (calc. ... General Name, Symbol, Number Astatine, At, 85 Series Halogens Group, Period, Block 17 (VIIA), 6, p Density, Hardness no data, no data Appearance metallic Atomic properties Atomic weight [210] amu Atomic radius no data Covalent radius 127 pm van der Waals radius no data Electron configuration [Xe]4f14 5d10 6s2... General Name, Symbol, Number Radon, Rn, 86 Chemical series Noble gases Group, Period, Block 18 (VIIIA), 6, p Density, Hardness 9. ... A period 7 element is one of the chemical elements in the seventh row (or period) of the periodic table of the elements. ... General Name, Symbol, Number Francium, Fr, 87 Series Alkali metals Group, Period, Block 1(IA), 7 , s Density, Hardness 1870 kg/m3, no data Appearance metallic Atomic properties Atomic weight (223) amu Atomic radius no data Covalent radius no data van der Waals radius no data Electron configuration [Rn]7s1... General Name, Symbol, Number Radium, Ra, 88 Series Alkali earth metals Group, Period, Block 2(IIA), 7, s Density, Hardness 5000 kg/m3, no data Appearance Silvery white metallic Atomic Properties Atomic weight (226. ... Known properties Name, Symbol, Number lawrencium, Lr, 103 Chemical series Transition metals Group, Period, Block 3, 7 , d Appearance unknown; probably metallic, silvery white or gray Atomic weight [ 262 ] amu Electron configuration probably [Rn]5f14 7s2 7p1 e- s per energy level 2, 8, 18, 32, 32, 9, 2 State... Known properties Name, Symbol, Number Rutherfordium, Rf, 104 Chemical series Transition metals Group, Period, Block 4, 7 , d Appearance unknown Atomic weight [261] amu Electron configuration probably [Rn]5f14 6d2 7s2 e- s per energy level 2,8,18,32,32,10,2 State of matter Presumably a solid Rutherfordium... Known properties Name, Symbol, Number dubnium, Db, 105 Chemical series Transition metals Group, Period, Block 5, 7 , d Appearance unknown; probably metallic, silvery white or gray Atomic weight [262] amu Electron configuration probably [Rn]5f14 6d3 7s2 e- s per energy level 2, 8, 18, 32, 32, 11, 2 State... Known properties Name, Symbol, Number seaborgium, Sg, 106 Chemical series Transition metals Group, Period, Block 6, 7 , d Appearance unknown Atomic weight [266] amu Electron configuration probably [Rn]5f14 6d4 7s2 e- s per energy level 2, 8, 18, 32, 32, 12, 2 State of matter presumably a solid Seaborgium... Known properties Name, Symbol, Number Bohrium, Bh, 107 Chemical series Transition metals Group, Period, Block 7, 7, d Appearance unknown; probably metallic, silvery white or gray Atomic weight [264] amu Electron configuration probably [Rn]5f14 6d5 7s2 e- s per energy level 2, 8, 18, 32, 32, 13, 2 State... Known properties Name, Symbol, Number Hassium, Hs, 108 Chemical series Transition metals Group, Period, Block 8, 7 , d Appearance unknown; probably metallic, silvery white or gray Atomic weight [269] amu Electron configuration probably [Rn] 5f14 6d6 7s2 a guess based osmium e- s per energy level 2, 8, 18, 32... Known properties Name, Symbol, Number meitnerium, 109, Mt Chemical series Transition metals Group, Period, Block 9, 7 , d Appearance unknown; probably metallic, silvery white or gray Atomic weight [268] amu Electron configuration probably [Rn] 5f14 6d7 7s2 e- s per energy level 2, 8, 18, 32, 32, 15, 2 State... Known properties Name, Symbol, Number Darmstadtium, Ds, 110 Chemical series Transition metals Group, Period, Block 10, 7 , d Appearance unknown; probably metallic, silvery white or gray Atomic weight [281] amu Electron configuration probably [Rn] 5f14 6d9 7s1 a guess based upon platinum e- s per energy level 2, 8, 18... Known properties Name, Symbol, Number roentgenium, Rg, 111 Chemical series Transition metals Group, Period, Block 11, 7, d Appearance unknown; probably metallic, silvery white or gray Atomic weight From [272] amu to [280] amu Electron configuration probably [Rn]5f14 6d10 7s1 e- s per energy level 2, 8, 18, 32... Known properties Name, Symbol, Number Ununbium, Uub, 112 Chemical series Transition metal Group, Period, Block 12, 7, d Appearance Unknown, probably a metallic and silvery white or grey colour. ... Predicted properties Name, Symbol, Number Ununtrium, Uut, 113 Chemical series Presumably poor metals Group, Period, Block 13, 7 , p Appearance Unknown Atomic weight [284] amu (A guess) Electron configuration [Rn] 5f14 6d10 7s27p1 (A guess based upon thallium) e- s per energy level 2, 8, 18, 32, 32, 18, 3... Known properties Name, Symbol, Number Ununquadium, Uuq, 114 Chemical series Presumably poor metals Group, Period, Block 14, 7, p Appearance Unknown, probably a metallic and silvery white or grey colour Atomic weight [289] amu Supposed half-life 30 seconds Electron configuration [Rn] 5f14 6d10 7s27p2 (a guess based upon radon... Predicted properties Name, Symbol, Number ununpentium, Uup, 115 Chemical series presumably poor metals Group, Period, Block 15, 7 , p Appearance unknown Atomic weight [288] amu (a guess) Electron configuration [Rn] 5f14 6d10 7s27p3 (a guess based upon bismuth) e-s per energy level 2, 8, 18, 32, 32, 18, 5... Predicted properties Name, Symbol, Number Ununhexium, Uuh, 116 Chemical series Presumably poor metals Group, Period, Block 16, 7 , p Appearance Unknown, probably a metallic and silvery white or grey color Atomic weight [292] amu Electron configuration [Rn] 5f14 6d10 7s27p4 (a guess based upon polonium) e-s per energy level... Predicted properties Name, Symbol, Number Ununseptium, Uus, 117 Chemical series Presumably Halogens Group, Period, Block 17, 7 , p Appearance unknown, but probably metallic and dark in appearance Atomic weight [291] amu (a guess) Electron configuration [Rn] 5f14 6d10 7s27p5 (a guess based upon astatine) e-s per energy level 2... Predicted properties Name, Symbol, Number Ununoctium, Uuo, 118 Chemical series Presumably noble gases Group, Period, Block 18, 7 , p Appearance Unknown, probably colourless Atomic weight [293] amu (a guess) Electron configuration [Rn] 5f14 6d10 7s27p6 (a guess based upon radon) e-s per energy level 2, 8, 18, 32, 32... The lanthanide series is the 14 rare earth chemical elements which lie between lanthanum and ytterbium on the periodic table. ... General Name, Symbol, Number Lanthanum, La, 57 Chemical series Lanthanides Group, Period, Block 3 , 6 , f Density, Hardness 6146 kg/m3, 2. ... General Name, Symbol, Number Cerium, Ce, 58 Chemical series Lanthanides Group, Period, Block _ , 6, d Density, Hardness 6689 kg/m3, 2. ... General Name, Symbol, Number Praseodymium, Pr, 59 Chemical series Lanthanides Group, Period, Block _ , 6 , f Density, Hardness 6640 kg/m3, no data Appearance silvery white, yellowish tinge Atomic properties Atomic weight 140. ... General Name, Symbol, Number Neodymium, Nd, 60 Chemical series Lanthanides Group, Period, Block _ , 6, f Density, Hardness 6800 kg/m3, no data Appearance silvery white, yellowish tinge Atomic properties Atomic weight 144. ... General Name, Symbol, Number Promethium, Pm, 61 Chemical series Lanthanides Group, Period, Block _ , 6 , f Density, Hardness 7264 kg/m3, no data Appearance metallic Atomic properties Atomic weight 145 u Atomic radius (calc. ... General Name, Symbol, Number Samarium, Sm, 62 Chemical series Lanthanides Group, Period, Block _ , 6 , f Density, Hardness 7353 kg/m3, no data Appearance silvery white Atomic properties Atomic weight 150. ... General Name, Symbol, Number Gadolinium, Gd, 64 Chemical series Lanthanides Group, Period, Block _ , 6, f Density, Hardness 7901 kg/m3, no data Appearance silvery white Atomic properties Atomic weight 157. ... General Name, Symbol, Number Terbium, Tb, 65 Chemical series Lanthanides Period, Block 6 , f Density, Hardness 8219 kg/m3, no data Appearance silvery white Atomic properties Atomic weight 158. ... General Name, Symbol, Number Dysprosium, Dy, 66 Chemical series Lanthanides Group, Period, Block _ , 6 , f Density, Hardness 8551 kg/m3, no data Appearance silvery white Atomic properties Atomic weight 162. ... General Name, Symbol, Number Holmium, Ho, 67 Chemical series Lanthanides Group, Period, Block NA, 6 , f Density, Hardness 8800kg/m3, ND Appearance silvery white Atomic properties Atomic weight 164. ... General Name, Symbol, Number Erbium, Er, 68 Chemical series Lanthanides Group, Period, Block NA, 6, f Density, Hardness 9066 kg/m3, ND Appearance silvery white Atomic properties Atomic weight 167. ... General Name, Symbol, Number Thulium, Tm, 69 Chemical series Lanthanides Group, Period, Block NA, 6 , f Density, Hardness 9321 kg/m3, no data Appearance silvery gray Atomic properties Atomic weight 168. ... General Name, Symbol, Number Ytterbium, Yb, 70 Chemical series Lanthanides Group, Period, Block NA, 6, f Density, Hardness 6570 kg/m3, ND Appearance silvery white Atomic properties Atomic weight 173. ... The actinide series encompasses the 14 chemical elements that lie between actinium and nobelium on the periodic table with atomic numbers 89 - 102 inclusive. ... General Name, Symbol, Number actinium, Ac, 89 Chemical series Actinides Group, Period, Block 3 , 7, f Density, Hardness 10070 kg/m3, n/a Appearance silvery Atomic properties Atomic weight (227) u Atomic radius (calc. ... General Name, Symbol, Number thorium, Th, 90 Chemical series Transition metals Period, Block 7 , f Density, Hardness 11724 kg/m3, 3. ... General Name, Symbol, Number protactinium, Pa, 91 Chemical series Transition metals Group, Period, Block _ , 7, f Density, Hardness 15370 kg/m3, no data Appearance bright, silvery metallic luster Atomic properties Atomic weight 231. ... General Name, Symbol, Number Uranium, U, 92 Chemical series Actinides Period, Block 7, f Density, Hardness 19050 kg/m3, 6 Appearance silvery-white metal Atomic properties Atomic weight 238. ... General Name, Symbol, Number Neptunium, Np, 93 Chemical series Actinides Period, Block 7 , f Density, Hardness 20250 kg/m3, n/a Appearance Silvery metallic Atomic properties Atomic weight [237] u Atomic radius (calc. ... General Name, Symbol, Number Plutonium, Pu, 94 Chemical series Actinides Period, Block 7, f Density, Hardness 19816 kg/m3, no data Appearance silvery white metal Atomic properties Atomic weight 244. ... General Name, Symbol, Number americium, Am, 95 Chemical series actinides Group, Period, Block 7, f Appearance silvery white Atomic properties Atomic weight [243] amu Atomic radius (calc. ... General Name, Symbol, Number curium, Cm, 96 Chemical series actinides Period, Block 7 , f Appearance silvery Atomic properties Atomic weight [247] amu Atomic radius (calc. ... Known properties Name, Symbol, Number Berkelium, Bk, 97 Chemical series Actinides Period, Block 7, f Appearance unknown; probably metallic, silvery white or gray Atomic weight [247] amu Electron configuration [Rn] 5f9 7s2 e- s per energy level 2,8,18,32,27,8,2 State of matter solid Density 14780... Known properties Name, Symbol, Number Californium, Cf, 98 Chemical series Actinides Period, Block 7, f Appearance unknown; probably metallic, silvery white or gray Atomic weight [251] amu Electron configuration [Rn]5f107s2 e-s per energy level 2,8,18,32,28,8,2 State of matter solid Most stable isotopes... Known properties Name, Symbol, Number Einsteinium, Es, 99 Chemical series Actinides Period, Block 7 , f Appearance unknown; probably metallic, silvery white or gray Atomic weight [252] amu Electron configuration probably [Rn]5f11 7s2 e- s per energy level 2, 8, 18, 32, 29, 8, 2 State of matter Solid Most... Known properties Name, Symbol, Number Fermium, Fm, 100 Chemical series Actinides Period, Block 7, f Appearance unknown; probably metallic, silvery white or gray Atomic weight [257] amu Electron configuration [Rn]5f12 7s2 e-s per energy level 2, 8, 18, 32, 30, 8, 2 State of matter Presumably a solid... Known properties Name, Symbol, Number Mendelevium, Md, 101 Chemical series Actinides Period, Block 7 , f Appearance unknown; probably metallic, silvery white or gray Atomic weight [258] amu Electron configuration [Rn]5f13 7s2 e- s per energy level 2, 8, 18, 32, 31, 8, 2 State of matter Presumably a solid... Known properties Name, Symbol, Number Nobelium, No, 102 Chemical series Actinides Period, Block 7, f Appearance unknown Atomic weight [259] u Electron configuration [Rn] 5f14 7s2 e- s per energy level 2, 8, 18, 32, 32, 8, 2 State of matter Presumably a solid Most stable isotopes Nobelium, also known... D Block is a rap group based in Yonkers, New York. ... The f-block of the periodic table of elements consists of those elements for which, in the atomic ground state, the highest-energy electrons occupy f-orbitals. ... The p-block of the periodic table of elements consists of the last six groups. ... The s-block of the periodic table of elements consists of the first two groups: the alkali metals and alkaline earth metals, plus hydrogen. ...

In addition to the blocks listed in this table, there is a hypothetical g-block which is not pictured here. g-block elements can be seen in the expanded extended periodic table. Temperature and air pressure can vary from one place to another on the Earth, and can also vary in the same place with time. ... Temperature and air pressure can vary from one place to another on the Earth, and can also vary in the same place with time. ... Temperature and air pressure can vary from one place to another on the Earth, and can also vary in the same place with time. ... The chemical elements labelled as synthetic are unstable, with a half-life so short (ranging from a fraction of millisecond to a few million years) relative to the age of the Earth that any atoms of that element that may have been present when the Earth formed have long since... Temperature and air pressure can vary from one place to another on the Earth, and can also vary in the same place with time. ... The g-block of the periodic table of elements consists of those elements for which, in the atomic ground state, the highest-energy electrons occupy g-orbitals. ... The g-block of the periodic table of elements consists of those elements for which, in the atomic ground state, the highest-energy electrons occupy g-orbitals. ... This extended periodic table was suggested by Glenn T. Seaborg in 1969. ...

Categories: Periodic table State at standard temperature and pressure those in red are gases those in green are liquids those in black are solid Natural occurrence those with solid borders are older than the Earth (Primordial elements) those with dashed borders naturally arise from decay of other chemical elements those with dotted borders... The Alternate Table is a periodic table perpendicularly rotated counterclockwise, hence like in many writing systems, the lower groups are to the left and the number increases to the right. ... Categories: Periodic table ... The Huge Table is a detailed periodic table that does not fit into most computer screens. ... The Detailed Table is a smaller version of the Huge Table. ... Color coding for atomic numbers: Elements numbered in blue are liquids at Standard Temperature and Pressure (STP); those numbered in green are gases at STP; those numbered in black are solid at STP; those numbered in red are synthetic (all are solid at STP). ... This extended periodic table was suggested by Glenn T. Seaborg in 1969. ... ... Color coding for atomic numbers: Elements numbered in blue are liquids at Standard Temperature and Pressure (STP); those in green are gases at STP; those in black are solid at STP; those in red are synthetic (all are solid at STP). ... This is a list of the chemical elements, sorted by name. ... Categories: Chemical elements ... Categories: Chemical elements ... This is a list of the chemical elements, sorted by boiling point measured at normal pressure. ... This is a list of the chemical elements, sorted by melting point measured at normal pressure. ... This is a list of the chemical elements, sorted by density measured at normal temperature and pressure. ... Hydrogen = 1 List of Elements in Atomic Number Order. ... A periodic table group is a vertical column in the periodic table of the chemical elements. ... In the periodic table of the elements, a period is a row of the table. ... A chemical series is a group of chemical elements whose physical and chemical characteristics vary progressively from one end of the series to another. ... A block of the periodic table of elements is a set of adjacent groups. ...