Which molecule or compound below contains a pure covalent bond?

Name: Which molecule or compound below contains a pure covalent bond?
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Question

Quizplus · Accepted Answer

Br2 is a diatomic molecule and thus contains a pure covalent bond because the two atoms in the bond are identical, resulting in equal sharing of electrons. The other choices contain ionic or polar covalent bonds. LiBr is an example of a polar covalent bond where the electrons are not shared equally.

Which Molecule or Compound Below Contains a Pure Covalent Bond