Question

Write the general electronic configuration of alkaline earth metal

Answer 1

Answer:

The correct electronic configuration for an alkaline earth metals is [Ar] 4s2 because they have two electrons in valence shell.

Answer 2

Explanation:

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.