Transuranium elements
Transuranium elements are radioactive elements having atomic number greater than 92
that is elements after uranium ,they are also called Transuranic. These are not naturally
occurring except two neptunium and plutonium and those only in trace amounts.
Transuranic elements can be artificially generated synthetic elements, via nuclear reactors or particle accelerators. The half lives of these elements show a general trend of decreasing as atomic numbers increase.
Heavy transuranic elements are difficult and expensive to produce, and their prices increase rapidly with atomic number. weapons-grade plutonium cost around $4,000/gram, and californium cost $60,000,000/gram. Einsteinium is the heaviest transuranic element that has ever been produced in macroscopic quantities.
that is elements after uranium ,they are also called Transuranic. These are not naturally
occurring except two neptunium and plutonium and those only in trace amounts.
Transuranic elements can be artificially generated synthetic elements, via nuclear reactors or particle accelerators. The half lives of these elements show a general trend of decreasing as atomic numbers increase.
Heavy transuranic elements are difficult and expensive to produce, and their prices increase rapidly with atomic number. weapons-grade plutonium cost around $4,000/gram, and californium cost $60,000,000/gram. Einsteinium is the heaviest transuranic element that has ever been produced in macroscopic quantities.
| 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
|
| Nihonium | Nh |
113
|
| Flerovium |
Fl
|
114
|
| Moscovium |
MC
|
115
|
| Livermorium |
Lv
|
116
|
| Tennessine | Ts |
117
|
| Oganesson | Og |
118
|
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