Elements Listed by Abundance (Human by #atoms)
Name Sym PPB
Hydrogen H 6.2 x 108
Oxygen O 2.4 x 108
Carbon C 1.2 x 108
Nitrogen N 1.2 x 107
Calcium Ca 2.2 x 106
Phosphorus P 2.2 x 106
Sulfur S 3.9 x 105
Sodium Na 3.8 x 105
Potassium K 3.2 x 105
Chlorine Cl 2.1 x 105
Magnesium Mg 70000
Silicon Si 58000
Fluorine F 12000
Iron Fe 6700
Zinc Zn 3200
Boron B 410
Rubidium Rb 340
Strontium Sr 330
Bromine Br 230
Aluminium Al 210
Copper Cu 99
Lead Pb 50
Cadmium Cd 39
Lithium Li 27
Manganese Mn 23
Barium Ba 14
Nickel Ni 11
Tin Sn 11
Iodine I 10
Molybdenum Mo 7
Arsenic As 4
Chromium Cr 4
Selenium Se 4
Vanadium V 4
Gold Au 3
Zirconium Zr 3
Cobalt Co 2
Caesium Cs 1
Beryllium Be 0.3
Uranium U 0.03
Radium Ra 3 x 10-8