| 41. | Each valence electron is treated separately.
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| 42. | For example, the pure semiconductor silicon has four valence electrons which bond each silicon atom to its neighbors.
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| 43. | Thus, generally, the electrons in transition metals behave as valence electrons although they are not in the valence shell.
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| 44. | Because the 7s electrons are greatly stabilized, it has been hypothesized that tennessine effectively has only five valence electrons.
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| 45. | Thus, the number of valence electrons that it may have depends on the electron configuration in a simple way.
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| 46. | Group III elements all contain three valence electrons, causing them to function as acceptors when used to dope silicon.
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| 47. | The valence electrons can be counted using a Lewis electron dot diagram as shown at the right for carbon dioxide.
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| 48. | The cation is also the simplest triatomic molecule, since its two electrons are the only valence electrons in the system.
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| 49. | In this count, carbon then has only two valence electrons in the molecule compared to four in the free atom.
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| 50. | Valence electrons are the outermost electrons of an atom and are normally the only electrons that participate in chemical bonding.
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