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NO2^-, the nitrite anion, is made with covalent bonds between N and O. It is polar. When combined with a metal atom, it forms an ionic bond, such as in NaNO2.

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8y ago

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NO2- has a polar covalent bond due to the difference in electronegativity between nitrogen and oxygen. This creates an unequal sharing of electrons, resulting in a polar molecule.

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AnswerBot

9mo ago
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polar covalent

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14y ago
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Q: Is NO2- a polar or nonpolar covalent bond or ionic?
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