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QUESTION
A main group element with the valence electron configuration 2s 1 is in periodic group _______. It forms a monatomic ion with a charge of ________.
A. A main group element with the valence electron configuration 2s1 is in periodic group _______.
It forms a monatomic ion with a charge of ________.
B. A main group element with the valence electron configuration 5s25p5 is in periodic group ______.
It forms a monatomic ion with a charge of ________.
