Question

A. An element with the valence electron configuration 3s2 would form a monatomic ion with a charge of . In order to form this ion, the element will electron(s) from/into the subshell(s). B. An element with the valence electron configuration 3s23p5 would form a monatomic ion with a charge of . In order to form this ion, the element will electron(s) from/into the subshell(s).

Answer 1

A.) 3s2 will get stable configuration after losing two electrons from 3s subshell and it will form ion with +2 charge.

So, charge is +2.

Element will lose two electrons from the 3s subshell.

B.) 3s2 3p5 will take one electron and will get stable configuration of 3s2 3p6. It will form ion with charge -1 by gaining 1 electron into 3p subshell.

So, charge is -1.

Element will gain one electron into the 3p subshell.

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