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24 Sep 2020
A. A main group element with the valence electron configuration is in periodic group ______. It forms a monatomic ion with a charge of _______.
B. A main group element with the valence electron configuration is in periodic group______. It forms a monatomic ion with a charge of ________.
A. A main group element with the valence electron configuration is in periodic group ______. It forms a monatomic ion with a charge of _______.
B. A main group element with the valence electron configuration is in periodic group______. It forms a monatomic ion with a charge of ________.
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2 Jun 2021
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