Which Happened First?

Discovery of lawrencium

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

Lawrencium is a synthetic chemical element; it has symbol Lr and atomic number 103. It is named after Ernest Lawrence, inventor of the cyclotron, a device used to discover many artificial radioactive elements.

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

Which happened first?

Timeline

  1. Discovery of einsteinium1952
  2. Discovery of mendelevium1955
  3. Discovery of nobelium1958
  4. Discovery of lawrencium (this page)February 14, 1961
  5. Discovery of rutherfordium1964
  6. Discovery of dubniumFebruary 18, 1970

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Discovery of lawrencium (February 14, 1961) · Which Happened First?