First 10 elements of the periodic table By 3760 Aug 1, 1766 Hydrogen (H) Hydrogen was first founded in England in 1766. Aug 1, 1772 Nitrogen (N) Aug 1, 1774 Oxygen (O) Aug 1, 1797 Beryllium (Be) Beryllium was discovered in 1797 Aug 1, 1808 Boron (B) Aug 1, 1817 Lithium (Li) Lithium was discovered in 1817 Aug 1, 1868 Helium (He) Helium was discovered during a solar eclipse in 1868 Aug 1, 1886 Fluoring (F) Aug 1, 1898 Neon (Ne) Aug 1, 3750 Carbon (C) It was discovered BC
