Percentage of Naturally Occurring Elements in the Universe Note: Some of the newest elements near the bottom of the table have suggested names that are still under review, and those names are not yet ...Percentage of Naturally Occurring Elements in the Universe Note: Some of the newest elements near the bottom of the table have suggested names that are still under review, and those names are not yet listed here. For example, Tennessine is suggested for element 117, after the state where the Oak Ridge National Laboratory is located. 1 Where mean atomic weights have not been well determined, the atomic mass numbers of the most stable isotopes are given in parentheses.
Table K1: The Chemical Elements Element Symbol Atomic Number Atomic Weight 1 Percentage of Naturally Occurring Elements in the Universe Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen F...Table K1: The Chemical Elements Element Symbol Atomic Number Atomic Weight 1 Percentage of Naturally Occurring Elements in the Universe Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminum Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel 1Where mean atomic weights have not been well determined, the atomic mass numbers of the most stable isotopes are given in parentheses.
