Chemistry, 20.08.2021 17:20 hiji0206

Which of the following represents the electronic structure of three elements in the periodic table A. 2.8.1 2.8.3 2.8.4 B. 2.8 2.8.1 2.8.2
C. 2.7 2.8 2.8.1 D. 2.1 2.8.1 2.8.8.1

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Which of the following represents the electronic structure of three elements in the periodic table...