Valence electrons are the electrons in the outermost shell of an atom. They determine an element's reactivity and how it combines with other atoms to form compounds.
Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell. We can write the configuration of oxygen's valence electrons as 2s²2p⁴
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Valence electrons are the electrons in the outermost shell of an atom. They determine an element's reactivity and how it combines with other atoms to form compounds.
Explanation:
Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell. We can write the configuration of oxygen's valence electrons as 2s²2p⁴
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