Name: fluorine, abbreviation: F, atomic number: 9, atomic mass: 18.99, from Latin fluere meaning to flow, discovered by Henri Moissan in 1886 in France, fluorine is present in flesh and teeth, it helps increase bone density
Name: Calcium, abbreviation: Ca, atomic number: 21, atomic mass: 40.078, from Latin calx meaning lime, discovered by sir Humphrey Davy in 1808 in England, natural sources of calcium are in milk and some stones, calcium provides strength to the skeleton, calcium is also used to make cement, it's also important to note that calcium is a major element in the earth and makes up a lot of stones