# Solar Photospheric/Meteoritic Abundances # Anders & Grevesse 1989 # Mean atomic weights from 2001 IUPAC table: www.chem.qmul.ac.uk/iupac/AtWt/ # # El lgA_sol atomic_wt 1 H 12.00 1.00794 2 He 10.99 4.002602 3 Li 3.31 6.941 4 Be 1.41 9.012182 5 B 2.88 10.811 6 C 8.56 12.0107 7 N 8.05 14.0067 8 O 8.93 15.9994 9 F 4.46 18.9984032 10 Ne 8.09 20.1797 11 Na 6.31 22.989770 12 Mg 7.58 24.3050 13 Al 6.48 26.981538 14 Si 7.55 28.0855 15 P 5.57 30.973761 16 S 7.27 32.065 17 Cl 5.27 35.453 18 Ar 6.56 39.948 19 K 5.13 39.0983 20 Ca 6.34 40.078 21 Sc 3.09 44.955910 22 Ti 4.93 47.867 23 V 4.02 50.9415 24 Cr 5.68 51.9961 25 Mn 5.53 54.938049 26 Fe 7.51 55.845 27 Co 4.91 58.933200 28 Ni 6.25 58.6934 29 Cu 4.27 63.546 30 Zn 4.65 65.409 31 Ga 3.13 69.723 32 Ge 3.63 72.64 33 As 2.37 74.92160 34 Se 3.35 78.96 35 Br 2.63 79.904 36 Kr 3.23 83.798 37 Rb 2.40 85.4678 38 Sr 2.93 87.62 39 Y 2.22 88.90585 40 Zr 2.61 91.224 41 Nb 1.40 92.90638 42 Mo 1.96 95.94 44 Ru 1.82 101.07 45 Rh 1.09 102.90550 46 Pd 1.70 106.42 47 Ag 1.24 107.8682 48 Cd 1.76 112.411 49 In 0.82 114.818 50 Sn 2.14 118.710 51 Sb 1.04 121.760 52 Te 2.24 127.60 53 I 1.51 126.90447 54 Xe 2.23 131.293 55 Cs 1.12 132.90545 56 Ba 2.21 137.327 57 La 1.20 138.9055 58 Ce 1.61 140.116 59 Pr 0.78 140.90765 60 Nd 1.47 144.24 62 Sm 0.97 150.36 63 Eu 0.54 151.964 64 Gd 1.07 157.25 65 Tb 0.33 158.92534 66 Dy 1.15 162.500 67 Ho 0.50 164.93032 68 Er 0.95 167.259 69 Tm 0.13 168.93421 70 Yb 0.95 173.04 71 Lu 0.12 174.967 72 Hf 0.73 178.49 73 Ta 0.13 180.9479 74 W 0.68 183.84 75 Re 0.27 186.207 76 Os 1.38 190.23 77 Ir 1.37 192.217 78 Pt 1.68 195.078 79 Au 0.83 196.96655 80 Hg 1.09 200.59 81 Tl 0.82 204.3833 82 Pb 2.05 207.2 83 Bi 0.71 208.98038 90 Th 0.08 232.0381 92 U -0.49 238.02891