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Why is bromine in group 17?

Updated: 9/17/2023
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14y ago

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Groups (or columns) on the Periodic Table put together elements that have similar qualities. Group 17 is called the halogens, and these elements have 7 valence electrons (electrons in their outer energy level) and therefore have similar characteristics.

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14y ago
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Q: Why is bromine in group 17?
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