Calcium

Definition

A chemical element with atomic number 20 and symbol Ca. It is an alkaline earth metal found abundantly in Earth's crust and plays essential roles in various biological processes.

Related terms

Alkaline Earth Metals: Group 2 elements on the periodic table known for their reactivity and tendency to form +2 ions.

Atomic Number:

The number of protons found in the nucleus of an atom, which determines its identity on the periodic table.

Metal: An element that typically has good conductivity, luster, malleability, and tends to lose electrons during chemical reactions.