10
H   12.00  1.0079
He  11.00  4.0026
C    8.15  12.011
O    8.51  15.999
Ne   8.08  20.180
Mg   6.04  24.305
Si   6.23  28.086
S    7.45  32.066
Ar   6.80  39.948
Fe   5.23  55.845