Question : Which among the following is not an alkali metal and does not belong to group 1 of the periodic table?
Option 1: Calcium
Option 2: Lithium
Option 3: Sodium
Option 4: Potassium
Correct Answer: Calcium
Solution : The correct answer is Calcium .
Calcium is not an alkali metal, and it does not belong to group 1 of the periodic table. Calcium is one of the alkaline earth metals of group 2 of the periodic table. It has an atomic number 20, and it is represented by Ca. Our body needs calcium to build and maintain strong bones. Other alkaline earth metals are Beryllium, Magnesium, Strontium, Barium, etc.
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