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Q.

Is it true that the elements who belong to the same group have the same valency?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Elements which are present in the same group also have the same number of valence electrons. These elements are the ones that are present in a single vertical line when we go from the top to the bottom of the group. They also share the same number of electrons present in their valence subshells.
 
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