Non-stoichiometric hydrides are formed by
palladium, vandadium PdH 0.6-0.8 and VH0.56
manganese, lithium
nitrogen, fluorine
carbon, nickel
Non-stoichiometric hydrides are formed by d and f block elements eg :palladium and vanadium.(PdH 0.6 - 0.8 VH0.56 )