Atomic mass of carbon, 5, 4, 6, 11, 10, 12, Nitrogen, Atomic number 8, Atomic number 7, Atomic number 15, Atomic mass of 20, Atomic mass of 12, Atomic number 1, Atomic number of oxygen, 5, 6, 7, 8, 9, 10, Element with 2 protons, Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Atomic mass of hydrogen, 1, 2, 3, 4, 5, 6

Chemical Elements

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