Question

What is meant by valency of an element?write valency of N , Cl, Na, ca . ​

Answer 1

Explanation:

Valency is the combining power of an element. Elements in the same group of the periodic table have the same valency. The valency of an element is related to how many electrons are in the outer shell. ... V - beneath each symbol, write it's valency.

valency of na- 1

cl- 1

ca 2

n 3

Answer 2

Answer:

Explanation:

Valency is the combining power of an element. Elements in the same group of the periodic table have the same valency. The valency of an element is related to how many electrons are in the outer shell. ... S - swap the valencies over.

n=0

cl=1

na=1

ca=2