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Atomic symbol Rf
Atomic number 104
Classification Transactinides
Atomic mass 261 amu
Other Information
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.

Rutherfordium is a synthetic chemical element with the symbol Rf and atomic number 104, named after New Zealand physicist Ernest Rutherford. It is not found in nature and can only be made in a laboratory. It is radioactive; the most stable known isotope, 267Rf, has a half-life of approximately 1.3 hours.[1]

  1. [1] "Rutherfordium - Element information, properties and uses | Periodic Table"