Calcium and magnesium belong to the group of the periodic table because both?

Assessment: WAEC SSCE - Chemistry - 2019 (Objective) Subject: Chemistry

Question 1 Report

Calcium and magnesium belong to the group of the periodic table because both?

Answer Details
Calcium and magnesium belong to the same group in the periodic table because they have the same number of valence electrons in their outermost shell. They both have two valence electrons, which makes them very similar in terms of their chemical behavior. This similarity is also reflected in their properties, such as their ability to form cations and their tendency to form colorless salts. Therefore, the correct option is "have the same number of valence electrons".
Read lesson note on Metals And Their Compounds (JAMB)
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