Question

How does valency vary in group on going from top to buttom?

Answer 1

Hey mate..


Here's your answer...

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TRENDS IN MODERN PERIODIC TABLE:

1)VALENCY:-

ALONG THE GROUP...

Valency along the group remains same while
going from top to bottom.

This is because the valence electrons remain
same only the shells increase..

For eg..Li,K,Na all are in group 1rst..All have valency 1

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HOPE IT HELPS..


@Rêyaañ11

Answer 2

elements of group have same no. of valency because no. of valence electrons remains same