Question

in ionic hydride , higher metal hydrides show covalant character.why? AND WHY NOT LOWER METAL HYDRIDE?

Answer 1

The three major groups are covalent, ionic, and metallic hydrides. Formally, hydride is known as the negative ion of a hydrogen, H-, also called a hydride ion. Because of this negative charge, hydrides have reducing, or basic properties. Its special characteristics will be further discussed.