Question

the valence shell configuration of group llA is​

Answer 1

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The atom having the valence shell electronic configuration 4s

The atom having the valence shell electronic configuration 4s 2

The atom having the valence shell electronic configuration 4s 2 4p

The atom having the valence shell electronic configuration 4s 2 4p 2

The atom having the valence shell electronic configuration 4s 2 4p 2 would be in Group IVA and 4 period. 'n' in electronic configuration depicts the period and the valence electrons depicts the group number.

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