What is the nature of the hydrides formed by elments of 13 group?

lonic nature of hydrides is

What do you expect the nature of hydrides is if formed by elements of atomic numbers 15, 19, 23 and 44 with dihydrogen? Compare their behaviour towards water.

What is true about saline hydrides

What is an amphoteric oxide? Give the formula of an amphoteric oxide formed by a element of group - 13.

Ionic nature of group 2 hydrides is

Tonic nature of group 2 hydrides is

What is an amphoteric oxide? Give the formula of an amphoteric oxide formed by an element of group-13.

What do you understand by the term non stoichiometric hydrides? Do you expect this type of the hydrides to be formed by alkali metals? Justify answer.