Which two elements when combined will form nonpolar covalent bonds

Which two elements when combined will form nonpolar covalent bonds?

A) oxygen and sodium

B) oxygen and carbon

C) nitrogen and oxygen

D) nitrogen and nitrogen

Solution: In a nonpolar covalent bond the electrons are shared equally between two atoms. If the bond is between two atoms of the same element, they will have the same electronegativity, and share the electrons equally. Choice D is correct.

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