Why do nitrogen molecules have triple bonds, whereas oxygen molecules have double bonds? How many valence electrons does each atom have, and how does that affect the type of bond formed in each molecule? Draw Lewis dot diagrams to support your answer.

Explanation:

Two covalent bonds form between the two oxygen atoms because oxygen requires two shared electrons to fill its outermost shell. Nitrogen atoms will form three covalent bonds (also called triple covalent) between two atoms of nitrogen because each nitrogen atom needs three electrons to fill its outermost shell.

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