2, 8, 7 is the configuration of

1.	2, 8, 7 is the configuration of
Answer» ChlorineSolution: As the electronic configuration of the given ATOM is 2,8,7 it is inferred that the ATOMIC number of element is 17 (2+8+7). Thus element with atomic number 17 is Chlorine. Among the OPTIONS given which includes Nitrogen, FLUORINE, Phosphorus and Argon, chlorine is CHEMICALLY similar to fluorine.Explanation:mark me as brainliest

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