Determine the type of chemical bond: CO, N2, CrCl3.

1) CO bond is covalent polar, since it is formed by atoms of two different non-metals: carbon-non-metal, oxygen-non-metal.
2) N2 bond is covalent non-polar, since it is formed by two atoms of one non-metal – nitrogen.
3) CrCl3 bond is ionic, since it is formed by metal and non-metal atoms: chromium-amphoteric metal, chlorine-non-metal.



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