Chlorine, a gas, found in all parts of the body, | | | weighs | 0 | 4 | 150 | | | 8.

Fluorine, supposed to be a gas, is found with calcium | | | in teeth and bones, and weighs | 0 | 3 | 300 | | | 9.

Silicon, a solid, found united with oxygen in the | | | hair, skin, bile, bones, blood, and saliva, weighs | 0 | 0 | 14 | | | 10.

Magnesium, a metal found in union with phosphoric | | | acid in the bones | 0 | 2 | 250 | | | 11.

Potassium, a metal, the basis of potash, is found | | | as phosphate and chloride; weighs | 0 | 3 | 340 | | | 12.