Rutherfordium
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A stamp in commemmoration of Lord Rutherford听 听
听 听 听 听 Ernest Rutheford was a New-Zealander researcher that studied the atom and its subparticles. He successively discovered the electron, alpha and beta rays, and radioactive decay, earning him a Nobel Prize in 1908. This did not slow his research down, and as early as 1909, he discovered that only a tiny fraction of the alpha particles shot at a thin gold foil were deflected, refuting the current model of the atom. This eventually led to the elaboration of the Bohr model, with a small positive core and electrons orbiting around it. Element 104 was logically named after him to honor its massive contributions to our understanding of the atomic world.
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Symbol:听Rf
Atomic Number: 104
Atomic Mass: 267 u
Electron Configuration:听[Rn] 5f146d27s2听
Year Discovered: 1964
Discovered By:听Georgy Flerov and colleagues and at Dubna, near Moscow, Russia, and independently by Albert Ghiorso and colleagues at Berkeley, California, USA