What is the valency of hydrogen in hydride ion?

What is valency? Write valency of hydrogen.

What is the valency of nitrate ion in lead nitrate ?

The valency of mercurous ion is

What is a hydride ion ?

Assertion (A) : Alkali metals form ionic hydrides. Reason (R) : Alkali metals lose their valence electron which is accepted by hydrogen to form hydride ion.

Assertion (A) : Alkali metals form ionic hydrides. Reason (R) : Alkali metals lose their valence electron which is accepted by hydrogen to form hydride ion.

What is the oxidation number of hydrogen in sodium hydride?

What is the valency of IVA group elements with respect to hydrogen ?

The valency o a phosphate ion is