The dipole moment of H - Br molecule is 2.6×10−30 coulomb.metre. Its bond length is 1.3˚A Then, the percentage ionic character of H - Br bond is:
20%
16%
21.5%
12.5%
The dipole moment of H-Br molecule is 2.6×10^-30. It's bond length is 1.3A°. Then the percentage ionic character of H-Br ?