A useful rule of thumb is that if EN for the atoms involved in a bond is
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A useful rule of thumb is that if EN for the atoms involved in a bond is ≤0.4 (as it is for a C-H bond), this is close enough to zero and the bond can be considered to be nonpolar. This rule makes sense because:
(a) The electrons in the bond are shared very unequally between the atoms.
(b) The electrons in the bond are shared almost equally between the atoms.
(c) Such a low ΔEN means that there is no electron sharing.
(d) Only for a low ΔEN value will the d+ charge cancel the δ– charge.
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Related Book For
Introductory Chemistry Atoms First
ISBN: 9780321927118
5th Edition
Authors: Steve Russo And Michael Silver
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