a) He
Helium (He) is an element by itself.
He atom can only exhibit dispersion forces.
b) HCl
H 1A 1 × 1 e– = 1 e–
Cl 7A 1 × 7 e– = 7 e–
Total: 8 valence e–
Which of the following exhibit only London (dispersion) forces?
a) He
b) HCl
c) H2O
d) Cl2
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