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Conversion.
the molecule
compound
if you mean why is it called percent then it's latin...per is per or the ratio and cent is one hundered
It is called rate of change.
Sixty fives
Calcium. It is called calcium hydroxyapatite. Ca5(PO4)3(OH)
Hydroxyapatite
Another name for Calcium salts in bone is hydroxyapatite. The extracellular mix in blood called plasma is the matrix.
The chemical formula for Calcium Phosphorus is Ca10(PO4)6(OH)2. It is commonly called hydroxyapatite and is the majority of what comprises bone and dental enamel and dentin.
Bone is composed of a mineral called hydroxyapatite. The chemical formula for hydroxyapatite is Ca10(PO4)6(OH)2. Thus, the elements in bone matrix would be calcium, phosphorus, oxygen and hydrogen.
the living components of a bone is the bone marrow and everything. the hard bone ain't living alright!!!!!!!!
From Wikipedia, "Hydroxylapatite, also called hydroxyapatite (HA), is a naturally occurring mineral form of calcium apatite with the formula Ca5(PO4)3(OH), but is usually written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two entities".
NaCI
The natural compound of a metal is called Ore.
If it is a molecular compound, the smallest unit is called a molecule. If it is an ionic compound, the smallest unit is called a formula unit.
A white crystalline compound is also called cytidine.