Question

An element belongs to group 2.What would be its valency?Write the formula of molecules of compounds it will form with elements in 5A,6A & 7A groups.

Answer 1

Answer:

Write the formula of molcules of compounds it will form with elements in VA, VIA and VIIA groups. Solution Show Solution. VIA. Symbols, Valencies

Answer 2

Answer:

Explanation:

Valency: 2

let element of 5A be X, that of 6A be Y, that of 7A be Z.

and let element of grp. 2 be M.

in 5A,

$M_{3}X_{2}$

in 6A,

$MX$

in 7A,

$MX_{2}$