Explain why H-bonding does not exist in HCl, though chlorine is quite electronegative.Â
Define chemical bond. Why do atoms combine (Kossel-Lewis approach) and how do atoms combine (modes of chemical combination)?
Write Lewis symbols for the following atom and ions:
S and S2-; Â Al and Al3+; H and H-.
The Lewis symbol for the given atom and ion is as,
S = 2, 8 and 6
(Z = 16)