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Rutherfordium
SEE PERIODIC TABLE
SEE FULL ARTICLE
Atomic Number
104
Atomic
Symbol
Rf
Atomic Weight
[261 amu]
Group
Transition, 4
Ground State
Electron Configuration
5f
14
6s
2
6p
6
6d
2
6f
2
Oxidation State(s)
+4
Selected
Radioisotopes
257
Rf,
258
Rf,
259
Rf
Discovered by
Researchers at Joint Nuclear Research Institute, Dubna, Russia, 1964. Also, Ghiorso, Nurma; Harris; K. A. Y. Eskola; P. L. Eskola, 1969
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