Calcium

Calcium is a very important element to human physiology, as calcium-phosphate salts form the basis for the creation of bones. Calcium in its pure form is referred to as "the white element" and is kept sealed in underground chambers due to the hazards involved in its handling.

Calcium
Properties
Atomic symbol	Ca
Atomic number	20
Classification	Standard metal
Atomic mass	40.1 amu
Other Information
Date of discovery	1808
Name of discoverer	Sir Humphrey Davy
Name origin	From the Latin calcis.
Uses	Calcium is one of the primary elements in bones, shells, etc. Taking Calcium internally can promote bone growth.
Obtained from	Chalk, limestone, marble, vitamin to promote bone growth.