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Valency shown by s-block elements:

Option: 1

+1 


Option: 2

+2 


Option: 3

-1 


Option: 4

a and b 


Answers (1)

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As we have learned

Valency of S-Block elements -

They have the common group valency of  +1 and +2  for group 1 and 2 respectively.

-

s-block elements have +1  and +2  valency 

 

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Riya

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