Question

an element Y is found in 4th period and 15th group of modern periodic table identify it write its formula with chlorine​

Answer 1

Answer:

Since it is found in the 15 th group , its valency is 3

Valency of chlorine is 1

Formula of compound is YCl3

Hope it helps!!!

(By the way, element Y is Arsenic)

[So, YCl5 is also possible]

Answer 2

Explanation:

The formula the compound is YCL3..