Define the term valcney. With reference to water and ammonia as compounds respectively, state the valency of oxygen & nitrogen. Magnesium [2,8,2] has valency `2^(+)`. Give reasons.

What is the valency of : nitrogen in the NO_2

What is the valency of : nitrogen in the N_2O_3

What is the valency of : nitrogen in the N_2O_5 .

The valency of nitrogen in nitrogen dioxide (NO_2) is

Oxidation number and valency of oxygen in OF_(2) are

Valency is the number of hydrogen atoms which can combine with (or displace) one atom of the element (or radical] forming a compound'. With reference to the above definition of valency, state the valency of chlorine in hydrogen chloride, giving reasons.

Account for the following: The valency of oxygen is generally 2, whereas sulfur shows valency of 2, 4 and 6.

H2Y is the formula of a compound. What is the valency exhibited by Y?

What is the valency of N in following compounds. NO_2