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Without consulting the periodic table se...

Without consulting the periodic table select from each of the following sets, the elements belonging to same group of the periodic table.

A

Z = 31, 13, 81, 50

B

Z = 12, 38, 4, 88

C

Z = 11, 3, 20 , 37

D

Z = 21, 39, 90, 57

Text Solution

Verified by Experts

The correct Answer is:
B
Elements with `Z = 4 (Be), 12 (Mg), 20 (Ca), 38 (Sr), 56 (Ba), 88(Ra)` belongs to group 2 (alkaline earths) of the periodic table.
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