When compounds are formed from atoms there occurs a rearrangement of 

The type of bond in oxygen  molecule is 

All molecules exert weak attraction upon one another.  These attractions are called 

While burning magnesium in oxygen, Mg is a 

Among the following non -polar molecule is 

The type of bond  in H-Cl is 

Dipole- Dipole attraction is significant in

Lewis symbol for C is 

The octet rule was first suggested by 

In CaF₂, the type of bond is