Which molecule is NOT likely to exist?

Name: Which molecule is NOT likely to exist?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The molecule listed as D, Ar₂, is not likely to exist because Argon (Ar) is a noble gas with a complete valence shell, making it very stable and generally unreactive. Unlike the other elements listed (Nitrogen, Bromine, and Carbon), Argon does not typically form stable compounds under normal conditions.

Which Molecule Is NOT Likely to Exist