Check the listing for details. Chlorine Element Cube. Condition: New. Listed at 106.88 USD. Chlorine Element Cube Made In USA 2x2x2 inches 99.995% Pure Sample Chlorine's atomic number is 17 and its symbol is Cl. Chlorine is a faint yellow gas at room temperature. Chlorine makes up 50% of the compound known as table salt, along with sodium. Chlorine is commonly used to produce plastics, sanitize swimming pools, and in common disinfectants. High concentrations of elemental chlorine gas are extremely dangerous and poisonous to most living organisms. It was first used as a chemical weapon during WW1. Made In USA 2x2x2 inches 99.995% Pure Sample Chlorine's atomic number is 17 and its symbol is Cl. Chlorine is a faint yellow gas at room temperature. Chlorine makes up 50% of the compound known as table salt, along with sodium. Chlorine is commonly uséd to produce plastics, sanitize swimming pools, and in common disinfectants. High concentrations of elemental chlorine gas are extremely dangerous and poisonous to most living organisms. It was first uséd as a chemical weapon during WW1. eBay integration by