Question

Is Calcium an Alkali Metal?

Answer 1

Calcium is an alkaline earth metal. Alkaline earth metals are those elements whose atoms have their s-subshell filled with their "two valence electrons".

• The general electronic configuration of alkaline earth metals is ns².
• They are located on the second column of the modern periodic table and are also called the so-called group two metals.
• All alkaline earth metals readily lose their two outermost electrons to form cations with a 2+ charge.
• Calcium is an alkaline earth metal, that forms a dark oxide-nitrate layer due to its high reactivity and exposure to air.
• Symbol of Ca and the atomic number 20.