Question

If the electronic configurations of atoms A and B are 3s2, 1s2, 2p6, 3s2, 3p1 and
1s2, 2s2, 2p4 respectively, then
(a) Which atom forms negative ion ?
(b) Which atom forms positive ion ?
(c) What is the valency of atom A ?
(d) What is the molecular formula of the compound formed by atoms A and B?

Answer 1

Explanation:

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Answer 2

Answer:

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