54 23 V 5 4 051! 04 6 C 14 2 12! 9 89 Ac 7 227! "The continuing story of dinitrogen activation" | 58 17 Cl 17 3 035! 18 34 Se 16 4 079! 38 93 Np 7 237! 55 26 Fe 8 4 056! 094 - 87 Fr 1 7 223! The isotopic composition of the element can vary in commercial materials, which can cause the atomic weight to deviate significantly from the given value |
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83 27 Co 9 4 059! Nature's Building Blocks: An A-Z Guide to the Elements New ed | 25 70 Yb 6 173 |
182 - 64 Gd 6 157.
25[262] 39 - - - - 106 Sg 6 7 266! 5 74 W 6 6 183 | 2 86 Rn 18 6 222! 193 - 3 Li 1 2 007! 62 82 Pb 14 6 207 |
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342 - - - - 115 Mc 15 7 288! Pilot Plant Removal of Oxygen" | 14 2 81 Tl 13 6 204 |
Erisman, Jan Willem; Sutton, Mark A.
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