Chemistry, 22.04.2020 23:49 jdjdjdjdjjffi7273
An atom has the following electron configuration 1s2 2s2 2p6 3s2 3p4 . How many valence electrons does this Atom have
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An atom has the following electron configuration 1s2 2s2 2p6 3s2 3p4 . How many valence electrons do...
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