Geoscience Reference
In-Depth Information
Table A.5
(continued)
Element
Symbol Atomic Atomic Element
Symbol Atomic Atomic
number weight
number weight
Iridium
Ir
77
192.22
Platinum
Pt
78
195.08
Gold
Au
79
196.97 Mercury
Hg
80
200.59
Thallium
Tl
81
204.38
Lead
Pb
82
207.2
Bismuth
Bi
83
208.98
Polonium
Po
84
209
Astatine
At
85
210
Radon
Rn
86
222
Francium
Fr
87
223
Radium
Ra
88
226
Actinium
Ac
89
227
Thorium
Th
90
232.94
Protactinium Pa
91
232.04 Uranium
U
92
238.03
Neptunium
Np
93
237
Plutonium
Pu
94
244
Americium
Am
95
243
Curium
Cm
96
247
Berkelium
Bk
97
247
Californium
Cf
98
251
Einsteinium
Es
99
252
Fermium
Fm
100
257
Mendelevium Md
101
258
Nobelium
No
102
259
Lawrencium
Lr
103
262
Rutherfordium Rf
104
281
Dubnium
Db
105
262
Seaborgium
Sg
106
266
Bohrium
Bh
107
264
Hassium
Hs
108
277
Meitnerium
Mt
109
267
Ununnilium
Uun
110
285
Ununbium
Uub
112
285
Ununquadium Uuq
114
289
