Which Happened First?

Discovery of rutherfordium

Discovery of rutherfordium
Image: Albedo-ukr · CC BY-SA 2.5 · source

Rutherfordium is a synthetic chemical element; it has symbol Rf and atomic number 104. It is named after physicist Ernest Rutherford. As a synthetic element, it is not found in nature and can only be made in a particle accelerator.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Which happened first?

Timeline

  1. Discovery of mendelevium1955
  2. Discovery of nobelium1958
  3. Discovery of lawrenciumFebruary 14, 1961
  4. Discovery of rutherfordium (this page)1964
  5. Discovery of dubniumFebruary 18, 1970
  6. Discovery of seaborgiumJuly 1974

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Discovery of rutherfordium (1964) · Which Happened First?