Chemistry, 06.12.2019 20:31, mckeeshallea400

Of the following, which information is obtained by looking at the group numbers of elements? (group a number designations: 1a-8a) (a) the number of electrons that will be gained or lost by an atom to fulfill the octet rule. (b) the number of valence electrons in an atom. (c) the number of energy levels in an atom. (d) both a and b.

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Of the following, which information is obtained by looking at the group numbers of elements? (group...