Question

write the valence shell configuration and number of valence electrons in alkali earth metal family​

Answer 1

Answer:

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Answer 2

Answer:

The elements in Group 2 (beryllium, magnesium, calcium, strontium, barium, and radium) are called the alkaline earth metals (Figure below). These elements have two valence electrons, both of which reside in the outermost s sublevel. The general electron configuration of all alkaline earth metals is ns2.