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An Intiative by Sri Chaitanya
a
Why do H2 and F2 have different bond energies (435.8 and 155 kJ mol-1 respectively) when both have the single bond?
b
Why do H2 and F2 have different bond lengths (74 pm and 144 pm, respectively)?
c
What should be the shape of a polyatomic molecule?
d
Why should atoms combine chemically?
answer is D.
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