Hydrogen forms compounds with elements having atomic numbers : 9,11,12, 17 and 20 . What are their chemical formulae ? Compare their chemical behaviour.

Hydrogen forms compounds with elements having atomic numbers : 9,11,12

1.	Hydrogen forms compounds with elements having atomic numbers : 9,11,12, 17 and 20 . What are their chemical formulae ? Compare their chemical behaviour.
Answer» Solution :HF,NaH, `MgH_(2) HCL and CaH_(2)`