By Alexander LaMontagne
Calcium has 20 protons, 20 neutrons, and has 20 electrons. Has a atomic mass of 40.078, an atomic number of 20,
And can be found in in rocks, chalk, and seashells.
Calcium has 4 rings on it. Its a neutral atom, unless positively or negatively charged. It has a Cubic Crystal Structure. And is a Alkaline Earth Metal.
Calcium`s melting point is at 839.0 C. While its boiling point is at 1484. Has a density of 1.55 g/cm^3. And has a silvery color to it.
The atom can be found in various of foods such as lobster, yogurt, cheese, certain fruits, and mineral water.