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Potassium? No, Classium Mr.K in the house!

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Potassium turns bright red when used in a flame test!
potassium is a very soft metal and can be cut with a butter knife!
Potassium aggressively reacts with water to form hydrogen gas  (Helmenstine & Helmenstine, 2021) .

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Potassium is used in the creation of fertilizers. Potassium carbonate is used in manufacturing glass, and the element itself also has some medical uses as well.
Isotopes uses: 2 of potassium's isotopes (K-40 and K-41) are used in the study of potassium impact on plant growth and also humans' cardiovascular system  (Rogers) .

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Protons- 19
electrons-19
neutrons- 20

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Yes! Potassium has 3 naturally occurring isotopes (Synder, 1986).

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Potassium is very abundant on earth, ranked 7th in abundancy in earth's crust (Rogers).

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Family: Alkali metal
Group: 1
Atomic #: 19
Atomic Mass: 39.0983
chemical symbol: K
Phase: Solid
Atomic radius: 280 Pm
Valence number: 1
Block: S-block

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-soft
-has luster
- low melting point

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Potassium is a metal .

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When? In 1807.
Who? By Humphry Davey
How? Through electrolysis. Davey discovered the metal when he decomposed molten potassium hydroxide with a voltage battery  (Rogers).