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Chemistry, 18.03.2021 03:30 mecennabosaaen

Name one of the Halogens. What is the Name of the Element and its Chemical Symbol? What is the Atomic #? The Mass #? How many Protons, Neutrons, and Electrons (Total)
does it have? How many Shells does it have (what Period is it in)? How many Valence
Electrons does it have (what Valence Group is it in)?

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Name one of the Halogens. What is the Name of the Element and its Chemical Symbol? What is the Atom...

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