Transuranium element
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Chemical element in the classification of elements,
the atomic number of which is greater than 92, that of uranium. Except
for the plutonium isotopes Pu 244 (half-life about 80 million years)
and Pu 239 (continuous reformation in uranium by neutron capture in
U 238 by neutrons from the spontaneous fission of U 238) detected in
very small quantities, all transuranium elements must be produced artifi-cially.
Element name |
Symbol |
Atomic no. |
Neptunium |
Np |
93 |
Plutonium |
Pu |
94 |
Americium |
Am |
95 |
Curium |
Cm |
96 |
Berkelium |
Bk |
97 |
Californium |
Cf |
98 |
Einsteinium |
Es |
99 |
Fermium |
Fm |
100 |
Mendelevium |
Md |
101 |
Nobelium |
No |
102 |
Lawrencium |
Lw |
103 |
Rutherfordium |
Rf |
104 |
Dubnium |
Db |
105 |
Seaborgium |
Sb |
106 |
Bohrium |
Bh |
107 |
Hassium |
Hs |
108 |
Meitnerium |
Mt |
109 |
Darmstadtium |
Ds |
110 |
Roentgenium |
Rg |
111 |
Copernicium |
Cn |
112 |
Still without name |
|
113 |
Flerovium |
Fl |
114 |
Still without name |
|
115 |
Livermorium |
Lv |
116 |
Still without name |
|
117 |
Still without name |
|
118 |
Transuranium elements
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11 - 15 March 2018
Munich, Germany
30 September - 04 October 2018
Prague, Czech Republic |
