Substance with a covalent non-polar bond: a) Zn b) O2 c) BaCl2.

A covalent non-polar chemical bond is the same atoms of non-metals – elements with the same electronegativity.
A substance under the letter “b” oxygen (O2) is formed from the presented substances by a covalent non-polar chemical bond.
Under the letter “a” zinc (Zn) is formed by a metallic chemical bond, and under the letter “b” barium chloride (BaCl2) is formed by an ionic chemical bond.
Answer: covalent non-polar bond in oxygen (O2).



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