词条 | most abundant chemical elements |
释义 | most abundant chemical elements Table The most abundant chemical elements (by numbers of atoms per 109 atoms of hydrogen) element symbol abundance element symbol abundance element symbol abundance helium He 9.8 × 107 magnesium Mg 38,000 potassium K 133 carbon C 501,000 aluminum Al 3,000 calcium Ca 2,200 nitrogen N 100,000 silicon Si 35,000 titanium Ti 91 oxygen O 794,000 phosphorus P 320 chromium Cr 473 fluorine F 33 sulfur S 17,400 manganese Mn 288 neon Ne 123,000 chlorine Cl 250 iron Fe 33,000 sodium Na 2,100 argon Ar 3,600 nickel Ni 1,800 See as table: |
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