How many valence electrons are there in atoms that have each…
How many valence electrons are there in atoms that have each of the following electron configurations (enter an integer)? (a) 1s2 2s2 2p6 3s2 3p6 4s1 valence electrons (b) 1s2 2s2 2p6 valence electrons (c) 1s2 2s2 2p6 3s2 3p1 valence electrons (d) 1s2 2s2 2p6 3s2 3p6 4s2 valence electrons
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