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chlorine box

Contributor: Ms. Kim Amstutz's class from Clay High School

Chlorine gas-the first gas of warfare WWI.

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Symbol: Cl

Atomic Number: 17

Atomic Mass: 35.45 u

Electron Configuration: [Ne] 3s23p5 

Year Discovered: 1774

Discovered By: Carl Wilhelm Scheele

Last Updated: 6/27/22