Question

An element A show valencies 1 and 2 respectively.write the formula of its two oxide.

Answer 1

maderchod jhat ka hair

Answer 2

Answer:

Explanation:

Oxide means Oxygen

Let the metal be M

So first it's valency is 1 so compound will be M20( oxygen has a valency of 2)

2) now valency 2 , so compound will be MO (2, 2 gets cancel)