Chemistry, 04.02.2021 20:10 nelsy7610

Help please Students were asked to compare Sodium, Magnesium, Potassium, and Calcium,
Which statement is true
A. Na and Mg have 3 valence electrons
B. Na and K are highly reactive C. K and Ca are in the same group
D. Mg and Ca have two energy levels.

Answers: 1

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Help please Students were asked to compare Sodium, Magnesium, Potassium, and Calcium,
Which s...