Chlorine quick facts
| Atomic number | 17 |
|---|---|
| Symbol | Cl |
| Family | Halogen |
| Group (column) | 17 |
| Period (row) | 3 |
| State at room temperature | Gas |
| Discovered | 1774, Carl Wilhelm Scheele (shown to be an element by Humphry Davy in 1810) |
Interesting facts about chlorine
- Chlorine is a yellow-green gas that is heavier than air.
- It is used to kill germs in swimming pools and drinking water.
- Table salt is sodium chloride: chlorine joined to sodium.
- Its name comes from chloros, the Greek word for pale green.
What are Chlorine's moves, and the real science behind them?
Bleach Burn
In the game: Burn / clean a status off an ally. The real science: Bleach is a chlorine mix that tears germs apart, which is why it disinfects.
Salt Bond
In the game: Team move: hits harder when Sodium, its bond buddy, is on your team. The real science: Chlorine is the other half of table salt — it steals sodium’s leftover bit and they become the crystals on your fries.
Green Cloud
In the game: Smother Light Gas and chip everyone. The real science: Chlorine gas is heavier than air, so it sinks and fills a space from the floor up.
What does Chlorine bond with?
- Chlorine and Sodium: together in real life they make salt
- Chlorine and Hydrogen: together in real life they make acid
Where does Chlorine fit among the nine types?
Chlorine is Acid type. Acid is the halogen type, the corrosive elements of group 17. It hits Metal cards for double damage. Read Elemon's nine types vs. the real element families for the full map.
| Elemon type | Acid |
|---|---|
| Trait | Heavy Gas |
| Hearts | 2 |
| Strong against (×2) | Metal |
| Weak to (×2) | none |
| Resists (×½) | none |
| Type power | Every hit poisons: 1 more damage at the end of the round. |
Want chlorine 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.



