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Name Rutherfordium
Symbol Rf
Atomic number 104
Atomic mass 261 amu
Normal state Presumed to be a Solid
Classification Transactinides
Crystal structure Unknown
Color Unknown
Date of discovery 1969
Name of discoverer A. Ghiorso, Nurmia, Harris, K.A.Y. Eskola, and P.L. Eskola
Name origin Named in honor of Lord Ernest Rutherford, a New Zealand physicist and chemist.
Uses Research purposes only.
Obtained from Only a few thousand atoms have ever been obtained by bombarding 249Cf with 12C and 13C ions.