Potassium quick facts
| Atomic number | 19 |
|---|---|
| Symbol | K |
| Family | Alkali metal |
| Group (column) | 1 |
| Period (row) | 4 |
| State at room temperature | Solid |
| Discovered | 1807, Humphry Davy (first isolated) |
Interesting facts about potassium
- Potassium is soft enough to cut with a knife and reacts with water even more strongly than sodium.
- Its symbol, K, comes from kalium, an old Latin name.
- Bananas, potatoes and beans are good sources of potassium.
- Potassium colors a flame lilac-purple.
What are Potassium's moves, and the real science behind them?
Water Burst
In the game: Huge hit with recoil. The real science: Potassium dumps its leftover bit into water even faster than sodium, so the pop is bigger.
Purple Flame
In the game: A purple flash. The real science: Potassium always paints a flame violet, the way sodium paints one orange.
Nerve Spark
In the game: Flinch / go first. The real science: A nerve signal is potassium and sodium atoms swapping places across a cell wall — that swap is the spark.
Where does Potassium fit among the nine types?
Potassium is Blast type. Blast is the type for the alkali and alkaline earth metals, the two reactive metal columns on the left that react hard with water. It hits Life cards for double damage and takes double damage from Noble gas. Read Elemon's nine types vs. the real element families for the full map.
| Elemon type | Blast |
|---|---|
| Hearts | 2 |
| Strong against (×2) | Life |
| Weak to (×2) | Noble gas |
| Resists (×½) | none |
| Type power | +1 power on every hit. |
Want potassium on the table? Its card is in the free printable first 20 element cards, and it is one of the first 20 elements most classes start with.

