The primary mineral in bone is 1 sodium 2 oxygen 3calcium 4

The primary mineral in bone is 1- sodium 2- oxygen 3-calcium 4- potassium 5- iron which one is correct ??

Solution

Calcium

Note -

Bone is made up of hydroxyappatite crystal Ca10(po4)6OH2

Where hydroxyappatite has calcium to phosphate ratio of 5:3

This bone minerals constiture 60-70% of bone mass remaining is water