What do you expect the nature of hydrides formed by elements of atomic number 15, 19 ,23 and 44 with hydrogen?

What do you expect the nature of hydrides formed by elements of atomic

1.	What do you expect the nature of hydrides formed by elements of atomic number 15, 19 ,23 and 44 with hydrogen?
Answer» Solution :Atomic NUMBER 15 is a non-metal (p) and its hydride is `PH_3` which is covalent .ELEMENT with atomic number 19 is an alkali metal (K) which forms ionic hydride.