IS CONTAINED BY 10 INFLUENTIAL ATOMIC MASS METALS
1. IRIDIUM ( ATOMIC MASS 191.219U + ā 0.0034 SYMBOL:IR) AN79
2. GOLD ( ATOMIC MASS 196.9 686574 +- 0.00003U SYMBOL A N 77
3. RUTHENIUM ( ATOMIC MASS 10 1.07 U +- 0.02U SYMBOL RU) A N 43
4. ZINC ( ATOMIC MASS 65.37U +- 0.002U SYMBOL ZN) A N 30
5. SILVER ( ATOMIC MASS 107.8186U +- SYMBOL AG) A N 43
6. COPPER ( ATOMIC MASS 63.547U +- 0.003U SYMBOL CU A N29
7. IRON ( ATOMIC MASS 55.844U +- 0.002U SYMBOL FE AN26
8. NICKEL ( ATOMIC MASS 50 8.6934U +- 0.0002U SYMBOL NI ) AN27
9. MERCURY ( ATOMIC MASS 210.60U +- 0.02U SYMBOL HG AN 80.
10. POTASSIUM ORGN ( ATOMIC MASS 211.110U +- 0.03U SYMBOL P.O ) AN76
