| − | 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.{{Element | name=Calcium | symbol=Ca | anumber=20 | amass=40.1 amu | noe=20 | class=Standard metal | cstructure=Cubic | color=Silver | date=1808 | discname=[[Sir Humphrey Davy]] | origname=From the Latin ''calcis''. | uses=Calcium is one of the primary elements in bones, shells, etc. Taking Calcium internally can promote bone growth. | obtained=Chalk, limestone, marble, vitamin to promote bone growth. }} | + | '''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.{{Element | name=Calcium | symbol=Ca | anumber=20 | amass=40.1 amu | noe=20 | class=Standard metal | cstructure=Cubic | color=Silver | date=1808 | discname=[[Sir Humphrey Davy]] | origname=From the Latin ''calcis''. | uses=Calcium is one of the primary elements in bones, shells, etc. Taking Calcium internally can promote bone growth. | obtained=Chalk, limestone, marble, vitamin to promote bone growth. }} |