Dihydrogen, under certain reaction condition, combines with almost all elements except noble gases to form binary compounds. The binary compounds are called

Dihydrogen, under certain reaction conditions, combines with almost all elements, except noble gas, to form binary compounds, called hydrides. If „E‟ is the symbol of an element, then hydride can be expressed as. x 2 m n 2 6 EH e.g;MgH or E H e.g;B H