ionic bond are formed between a metal and a non metal while covalent bonds are formed between two non metals.
ionic compounds include
Na-cl, Mg-Br, Ca-s, Ba-F (are ionic since their bond is between a metal and non metal)
covalent bonds include
O-H, N-O, C-H, F-F, N-H , C-O, F-F ( are covalent since their bond is between two non metal
