identifying ionic and covalent bonds
formula. Metals. nonmetals types of bond.
1: HF.
2:Na CI
3:c⁴ H¹⁰
4:AL² O²
5:Cbr 4
6:Na² S
7:Sr² N²
8:H² S
9:Ba f²
10:C² H²
11: No²
12:Mg cl²​