the electronegativity difference (AEN):
<0.5: covalent (non polar)
0.5- 1.7: covalent (polar)
> 1.7 : ionic
BaClâ‚‚
Ba = 0.9
Cl = 3
Cl - B = 3 - 0.9 = 2.1 (ionic)
5.7m questions
7.4m answers