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15 Nov 2019

Write a general valence electron configuration for main groups 6 and 7 on the periodic table (hint use n to represent the energy level i.e ns^x, np^y) define electron affinity and explain why the energy in group 7 is more exothermic then group 7 when determining electron affinity.

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Nestor Rutherford
Nestor RutherfordLv2
5 Sep 2019

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