Which Happened First?

Discovery of potassium

Discovery of potassium
Image: BXXXD · CC BY-SA 3.0 · source

Potassium is a chemical element; it has symbol K and atomic number 19. It is a silvery white metal that is soft enough to easily cut with a knife. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure.

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

Which happened first?

Timeline

  1. Discovery of cerium1804
  2. Discovery of potassium (this page)1807
  3. Discovery of sodium1807
  4. Discovery of VestaMarch 29, 1807
  5. Discovery of barium1808
  6. Discovery of calcium1808

Related

Play a round with Science · 19th century
Discovery of potassium (1807) · Which Happened First?