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प्रश्न
An atom has electronic configurations 2, 8, 7.
To which of the following elements would it be chemically similar? (Atomic numbers are given in parentheses.)
विकल्प
N(7)
F(9)
P(15)
Ar(18)
MCQ
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उत्तर
F(9)
Explanation:
It would be chemically similar to F(9) with configuration as 2, 7.
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