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Encyclopedia > Ununennium
119 UuoununenniumUbn
Fr

Uue

Uhe
General
Name, Symbol, Number ununennium, Uue, 119
Chemical series Presumably Alkali metals
Group, Period, Block 1, 8, s
Appearance unknown, probably colorless
Standard atomic weight predicted, (316)[1] g·mol−1
Electron configuration [Uuo] 8s1[2]
(a guess based upon caesium
and francium)
Electrons per shell 2, 8, 18, 32, 32, 18, 8, 1
Physical properties
Phase solid predicted[2]
Miscellaneous
Selected isotopes
Main article: Isotopes of ununennium
iso NA half-life DM DE (MeV) DP
References

Ununennium (pronounced /ˌjuːnəˈnɛniəm/), or eka-francium, is the temporary name of an undiscovered chemical element in the periodic table that has the temporary symbol Uue and has the atomic number 119[2], with a predicted significant atomic mass of 316[1]. Like other alkali metals, it would most likely be extremely reactive with water. General Name, Symbol, Number ununoctium, Uuo, 118 Chemical series noble gases Group, Period, Block 18, 7, p Appearance unknown, probably colorless Atomic mass predicted, (314) g/mol Electron configuration perhaps [Rn] 5f14 6d10 7s2 7p6 (guess based on radon) Electrons per shell 2, 8, 18, 32, 32, 18, 8 Phase... General Name, Symbol, Number unbinilium, Ubn, 120 Chemical series Presumably Alkali earths Group, Period, Block 2, 8, s Appearance unknown, probably metallic and silvery white or grey colour Image:.jpg Atomic mass [318] amu (a guess) g/mol Electron configuration Uuo 8s2 (a guess based upon barium and radium) Electrons... General Name, Symbol, Number francium, Fr, 87 Chemical series alkali metals Group, Period, Block 1, 7, s Appearance metallic Standard atomic weight (223) g·mol−1 Electron configuration [Rn] 7s1 Electrons per shell 2, 8, 18, 32, 18, 8, 1 Physical properties Phase  ? solid Density (near r. ... Image File history File links -TableImage. ... This is a standard display of the periodic table of the elements. ... An extended periodic table was suggested by Glenn T. Seaborg in 1969. ... This is a list of chemical elements, sorted by name and color coded according to type of element. ... Categories: Chemical elements ... A group, also known as a family, is a vertical column in the periodic table of the chemical elements. ... The alkali metals are a series of elements comprising Group 1 (IUPAC style) of the periodic table: lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr). ... A group, also known as a family, is a vertical column in the periodic table of the chemical elements. ... In the periodic table of the elements, a period is a horizontal row of the table. ... A block of the periodic table of elements is a set of adjacent groups. ... The alkali metals are a chemical series. ... A period 8 element is one of the chemical elements in the eighth row (or period) of the periodic table of the elements. ... The s-block of the periodic table of elements consists of the first two groups: the alkali metals and alkaline earth metals, plus hydrogen. ... Color is an important part of the visual arts. ... The atomic mass (ma) is the mass of an atom at rest, most often expressed in unified atomic mass units. ... To help compare different orders of magnitude we list here masses between 60. ... Electron atomic and molecular orbitals In atomic physics and quantum chemistry, the electron configuration is the arrangement of electrons in an atom, molecule, or other physical structure (, a crystal). ... General Name, Symbol, Number ununoctium, Uuo, 118 Chemical series noble gases Group, Period, Block 18, 7, p Appearance unknown, probably colorless Atomic mass predicted, (314) g/mol Electron configuration perhaps [Rn] 5f14 6d10 7s2 7p6 (guess based on radon) Electrons per shell 2, 8, 18, 32, 32, 18, 8 Phase... Electron configuration is the arrangement of electrons in an atom, molecule or other body. ... General Name, Symbol, Number caesium, Cs, 55 Chemical series alkali metals Group, Period, Block 1, 6, s Appearance silvery gold Standard atomic weight 132. ... General Name, Symbol, Number francium, Fr, 87 Chemical series alkali metals Group, Period, Block 1, 7, s Appearance metallic Standard atomic weight (223) g·mol−1 Electron configuration [Rn] 7s1 Electrons per shell 2, 8, 18, 32, 18, 8, 1 Physical properties Phase  ? solid Density (near r. ... For other uses, see Electron (disambiguation). ... Example of a sodium electron shell model An electron shell, also known as a main energy level, is a group of atomic orbitals with the same value of the principal quantum number n. ... In the physical sciences, a phase is a set of states of a macroscopic physical system that have relatively uniform chemical composition and physical properties (i. ... For other uses, see Isotope (disambiguation). ... Natural abundance refers to the prevalence of different isotopes of an element as found in nature. ... Half-Life For a quantity subject to exponential decay, the half-life is the time required for the quantity to fall to half of its initial value. ... Radioactive decay is the process in which an unstable atomic nucleus loses energy by emitting radiation in the form of particles or electromagnetic waves. ... The decay energy is the energy released by a nuclear decay. ... The electronvolt (symbol eV) is a unit of energy. ... In nuclear physics, a decay product, also known as a daughter product, is a nuclide resulting from the radioactive decay of a parent or precursor nuclide. ... Recommended values for many properties of the elements, together with various references, are collected on these data pages. ... Professor Dimitri Mendeleev published the first Periodic Table of the Atomic Elements in 1869 based on properties which appeared with some regularity as he laid out the elements from lightest to heaviest. ... General Name, Symbol, Number francium, Fr, 87 Chemical series alkali metals Group, Period, Block 1, 7, s Appearance metallic Standard atomic weight (223) g·mol−1 Electron configuration [Rn] 7s1 Electrons per shell 2, 8, 18, 32, 18, 8, 1 Physical properties Phase  ? solid Density (near r. ... The periodic table of the chemical elements A chemical element, or element, is a type of atom that is defined by its atomic number; that is, by the number of protons in its nucleus. ... The Periodic Table redirects here. ... Stylized lithium-7 atom: 3 protons, 4 neutrons & 3 electrons (~1800 times smaller than protons/neutrons). ... The alkali metals are a chemical series. ...


Element 119 would be the first element in the eighth period of the periodic table.[2] In the periodic table of the elements, a period is a row of the table. ... The Periodic Table redirects here. ...


History

The name ununennium is used as a placeholder, as in scientific articles about the search for element 119. Transuranic elements (those beyond uranium) are, except for microscopic quantities and except for plutonium, always artificially produced, and usually end up being named for a scientist or the location of a laboratory that does work in atomic physics (see systematic element name for more information). For the World of Warcraft ex-NPC, see Captain Placeholder. ... In chemistry, transuranium elements (also known as transuranic elements) are the chemical elements with atomic numbers greater than 92, the atomic number of Uranium. ... This article is about the chemical element. ... This article is about the radioactive element. ... In chemistry, heavy transuranic elements receive a permanent trivial name and symbol only after their synthesis has been confirmed. ...


Notes

  1. ^ a b Theory of atomic-mass calculation Apsidium, 2006-11-26
  2. ^ a b c d Ununennium 119 Uue Apsidium, 2006-11-03

See also


  Results from FactBites:
 
Article about "Ununennium" in the English Wikipedia on 24-Apr-2004 (136 words)
Ununennium is the temporary name of an undiscovered chemical element in the periodic table that has the temporary symbol Uue and has the atomic number 119.
The name ununennium is used as a placeholder, such as in scientific articles about the search for Element 119; it is a Latinateate way of saying "one-one-nine-ium" ("ium" being a standard ending for element names).
Such transuranic elements are always artificially produced, and usually end up being named for a scientist.
Ununennium - Wikipedia, the free encyclopedia (300 words)
Ununennium (IPA: /ˌjuːnənˈɛniəm/), or eka-francium, is the temporary name of an undiscovered chemical element in the periodic table that has the temporary symbol Uue and has the atomic number 119.
The name ununennium is used as a placeholder, as in scientific articles about the search for element 119.
Transuranic elements (those beyond uranium) are, except for microscopic quantities, always artificially produced, and usually end up being named for a scientist or the location of a laboratory that does work in atomic physics (see systematic element name for more information).
  More results at FactBites »


 

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