Chlorine

Key Stage 4

Meaning

Chlorine (Cl₂)is a gaseous (at room temperature) non-metal element with 17 protons in its nucleus.

Testing for Chlorine

1. Collect the gas in a test tube.
2. Place a piece of litmus paper over the mouth of the test tube.
3. If the litmus paper is bleached white then the gas is Chlorine.