Important Elements
Element |
Symbol |
Atomic Number |
Barium |
Ba |
56 |
Hafnium |
Hf |
72 |
Tungsten |
W |
74 |
Rhenium |
Re |
75 |
Osmium |
Os |
76 |
Platinum |
Pt |
78 |
Gold |
Au |
79 |
Mercury |
Mg |
80 |
Lead |
Pb |
82 |
Bismuth |
Bi |
83 |
Polonium |
Po |
84 |
Radon |
Rn |
86 |
Radium |
Ra |
88 |
Actinium |
Ac |
89 |
Thorium |
Th |
90 |
Uranium |
U |
92 |
Plutonium |
Pu |
94 |
Curium |
Cm |
96 |
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