Question

0 42 Define valency ? write valency of following
a) Magnesium

b)oxygen ​

Answer 1

Question --✓

Define valency ? write valency of following

a) Magnesium

b)oxygen

Answer ---✓

The final formula of magnesium oxide is MgO. So, the valencies magnesium and oxygen in MgO are 2 and 2 .

Answer 2

Answer:

the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with is called valency.

1. 2
2. -2

Explanation:

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