The elements indicating following atomic numbers belong to same g…

MCQ

The elements indicating following atomic numbers belong to same group

✓
$11$ and $37$
B
$19$ and $15$
C
$39$ and $88$
D
None of these

✓

Answer

Correct option: A.

$11$ and $37$

a
Electronic configuration for elements with atomic number $11$ and $37$ are $[ Ne ] \,3 s ^1$ and $[ Kr ]\, 5 s ^1$ respectively. Both belongs to same group $($i.e. group $1 )$

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