Where Is Potassium Found On The Periodic Table?

By
Anne Marie Helmenstine, Ph.D.
Anne Marie Helmenstine, Ph.D.
Chemistry Expert
  • Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
  • B.A., Physics and Mathematics, Hastings College
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.
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Updated on November 05, 2019

Where Is Potassium Found On The Periodic Table?

Potassium's location on the periodic table of the elements.
Potassium's location in the periodic table of the elements. Todd Helmenstine

Potassium is the 19th element on the periodic table. It is located in period 4 and group 1. In other words, it is the element in the first column of the table that begins the fourth row.

Potassium Facts

Powdered potassium metal
Powdered potassium metal. Helmut Feil / Getty Images

Potassium is an alkali metal, like sodium, cesium, and the other elements in group 1. It is the 7th most abundant element in the Earth's crust. It has atomic number 19, element symbol K, and an atomic weight of 39.0983.

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Helmenstine, Anne Marie, Ph.D. "Where Is Potassium Found On The Periodic Table?" ThoughtCo, Aug. 28, 2020, thoughtco.com/potassium-on-the-periodic-table-608933. Helmenstine, Anne Marie, Ph.D. (2020, August 28). Where Is Potassium Found On The Periodic Table? Retrieved from https://www.thoughtco.com/potassium-on-the-periodic-table-608933 Helmenstine, Anne Marie, Ph.D. "Where Is Potassium Found On The Periodic Table?" ThoughtCo. https://www.thoughtco.com/potassium-on-the-periodic-table-608933 (accessed March 28, 2023).
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