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Are nonpolar covalent bonds uncommon?

Answer 1

Well, no

Helium does not form covalent bonds, but hydrogen atoms can bind to other hydrogen atoms to form non-polar covalent bonds, which is, to a first approximation, the only matter in the universe.

Back here on Earth, both #C-H# and #C-C# bonds are non-polar, and these bonds pervade biology.

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Answer 2

Madison Anderson

Nonpolar covalent bonds are not uncommon. They occur frequently in molecules where the electronegativity difference between the atoms involved in the bond is small or nonexistent. Examples include diatomic molecules like oxygen (O2) and nitrogen (N2), as well as hydrocarbons like methane (CH4) and ethane (C2H6).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.