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Chemical Bonding Concept/Skills Development (539 words) |
 | [Electrons in the highest occupied energy level of an atom are known as valence electrons. |
| Include examples and state the trend in valence electrons within a group on the periodic table. |
| This is not surprising, since valence electrons determine chemical properties which, in turn, determine element placements in the table. |
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Electron Summary (7793 words) |
| Our understanding of how electrons behave has been significantly modified during the past century, the greatest advances being the development of quantum mechanics in the 20th century and the idea of particle-wave duality, that is, that electrons show either wave-like or particle-like properties. |
| The electron is very similar to the two more massive particles of higher generations, the muon and the tau lepton, which are identical in charge, spin, interaction but differ in mass. |
| The antimatter counterpart of the electron is the positron. |
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