Answered

How many unpaired electrons are present in the ground state of an atom from each of the following groups?
(a) 4A(14) (b) 7A(17) (c) 1A(1) (d) 6A(16)

Answer :

Explanation:

General electronic configuration for the given groups are as follows.

For 4A(14) : [tex]ns^{2}np^{4}[/tex]

This means that there are 4 unpaired electrons in group 4A(14).

For 7A(17) : [tex]ns^{2}np^{5}[/tex]

So, there are 7 unpaired electrons present in group 7A(17).

For 1A(1) : [tex]ns^{1}[/tex]

Hence, there is only one unpaired electron present in group 1A(1).

For 6A(16) : [tex]ns^{2}np^{4}[/tex]

So, there are 6 unpaired electrons present in group 6A(16).

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