Which Happened First?

Discovery of berkelium

Discovery of berkelium
Image: Oak Ridge National Laboratory, US Department of Energy · Public domain · source

Berkelium is a synthetic chemical element; it has symbol Bk and atomic number 97. It is a member of the actinide and transuranium element series. It is named after the city of Berkeley, California, the location of the Lawrence Berkeley National Laboratory where it was discovered in December 1949.

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

Which happened first?

Timeline

  1. Discovery of americium1944
  2. Discovery of promethium1945
  3. Discovery of berkelium (this page)1949
  4. Discovery of californium1950
  5. Discovery of einsteinium1952
  6. Discovery of fermiumDecember 1952

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