Question

What is the same about the electron structures of
a. Lithium, Sodium and Potassium
b. Beryllium, Magnesium and Calcium

Answer 1

Answer:

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Answer 2

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Three points should be kept in mind, however. The alkaline-earth metals tend to lose two electrons to form M 2+ ions (Be2+, Mg2+, Ca2+, and so on). These metals are less reactive than the neighboring alkali metal. ... Magnesium is more active than beryllium; calcium is more active than magnesium; and so on.