1. Potassium
By: Kristin Caktas

2. Potassium The symbol for potassium is K Atomic number-19
Atomic mass- 39.1
# of protons- 19
# of neutrons- 20
# of electrons-19

3. Element history/ features
Discovered by Humphry Davy in 1807
Named by Humphry Davy
Used in fertilizer, soaps, detergents, and drain clearers
Silvery white
Produces a lilac coloured flame
Lustre
Very soft and can be cut easily with a knife
Solid at room temp.

4. Interesting things about potassium
Very reactive element
Has one extra electron (wants to lose that electron)
It is a Alkali metal
Very very reactive with water
Covered with a layer of dioxide
Very soft and if cut shows inner layer is shiny

5. Thanks For Watching 