Elements Listed by Abundance (Earth's Crust)
Name Sym PPM
Oxygen O 4.74 x 105
Silicon Si 2.771 x 105
Aluminium Al 82000
Calcium Ca 41000
Iron Fe 41000
Magnesium Mg 23000
Sodium Na 23000
Potassium K 21000
Titanium Ti 5600
Phosphorus P 1000
Boron B 950
Fluorine F 950
Manganese Mn 950
Barium Ba 500
Carbon C 480
Strontium Sr 370
Sulfur S 260
Zirconium Zr 190
Tungsten W 160.6
Vanadium V 160
Chlorine Cl 130
Chromium Cr 100
Rubidium Rb 90
Nickel Ni 80
Zinc Zn 75
Cerium Ce 68
Copper Cu 50
Neodymium Nd 38
Lanthanum La 32
Yttrium Y 30
Nitrogen N 25
Cobalt Co 20
Lithium Li 20
Niobium Nb 20
Gallium Ga 18
Scandium Sc 16
Lead Pb 14
Thorium Th 12
Praseodymium Pr 9.5
Samarium Sm 7.9
Gadolinium Gd 7.7
Dysprosium Dy 6
Hafnium Hf 5.3
Erbium Er 3.8
Ytterbium Yb 3.3
Caesium Cs 3
Beryllium Be 2.6
Tin Sn 2.2
Europium Eu 2.1
Tantalum Ta 2
Germanium Ge 1.8
Arsenic As 1.5
Molybdenum Mo 1.5
Holmium Ho 1.4
Iodine I 1.4
Argon Ar 1.2
Terbium Tb 1.1
Thallium Tl 0.6
Antimony Sb 0.2-0.5
Lutetium Lu 0.51
Thulium Tm 0.48
Bromine Br 0.37
Cadmium Cd 0.11
Silver Ag 0.07
Mercury Hg 0.05
Selenium Se 0.05
Indium In 0.049
Bismuth Bi 0.048
Gold Au 0.011
Helium He 0.008
Tellurium Te 0.005
Platinum Pt 0.001
Ruthenium Ru 0.001
Rhenium Re 0.0004
Rhodium Rh 0.0002
Palladium Pd 6 x 10-4
Osmium Os 1 x 10-4
Neon Ne 7 x 10-5
Krypton Kr 1 x 10-5
Iridium Ir 3 x 10-6
Xenon Xe 2 x 10-6