| 33 83 Bi 15 6 208 | However, three elements, thorium, protactinium, and uranium, have a characteristic terrestrial isotopic composition, and thus their standard atomic weights are given |
|---|---|
| 31 13 Al 13 3 027! 95 39 Y 3 5 089! 55 26 Fe 8 4 056! 57 5 B 13 2 011! 3 - 96 Cm 7 247! 01 33 As 15 4 075! de Gruyter, Berlin 2007, , S | The atomic weight of commercial lithium can vary between 6 |
82 38 Sr 2 5 087! 342 - - - - 115 Mc 15 7 288! Ahmed I; Agarwal S; Ilchyshyn A; Charles-Holmes S; Berth-Jones J May 2001.
| Berlin-New York: Walter de Gruyter | 78 50 Sn 14 5 118 |
|---|---|
| 02 84 Po 16 6 210! 79 56 Ba 2 6 137 | The element does not have any stable nuclides, and a value in brackets, e |
"The discovery of the elements.
| "How a century of ammonia synthesis changed the world" | 96 51 Sb 15 5 121 |
|---|---|
| 33 41 Nb 5 5 093! Robert Kerr Edinburgh, 1790; New York: Dover, 1965 , 52 | 22 40 Zr 4 5 091! "A comparison of liquid nitrogen and liquid helium as cryogens for electron cryotomography" |
98 4 Be 2 2 009! , Handbook of Preparative Inorganic Chemistry 2nd ed.
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