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How many s-block elements are known ?...

How many `s`-block elements are known ?

A

14

B

13

C

12

D

11

Text Solution

Verified by Experts

The correct Answer is:
C
There are 6 elements each in group I and 2. Although H having `ns^(1)` configuration and He having `ns^(2)` configuration may be regarded as s-block elements but they are discussed separately because of their properties.
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