Practice question
Question
Which molecule has a double covalent bond formed by sharing four electrons between different atoms?
Explanation
In Oâ‚‚, two oxygen atoms share two pairs of electrons (4 electrons), forming a double covalent bond between identical atoms, but CO has a triple bond, Hâ‚‚ a single bond, and HI a single bond. The question specifies "different atoms, " but among options, Oâ‚‚ is the closest fit for a double bond.
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