Select the elements belonging to same group from the following li… - Vidyadip

MCQ

Select the elements belonging to same group from the following list :-

✓
$Z = 12, 38, 4, 88$
B
$Z = 9, 16, 3, 35$
C
$Z = 5, 11, 27, 19$
D
$Z = 24, 47, 42, 55$

✓

Answer

Correct option: A.

$Z = 12, 38, 4, 88$

a
option $A$ is correct .

because every period is having certain intervals such as 2,8,8,18,18,32,31 to 1 to 7 periods respectively.

so that if we add these numbers to element atomic number we can get next element of the same group.a)

$4,4+8,12+8,20+18,38+18,56+32$

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