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The anion is Br+; bromine has 7 valence electrons.

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6y ago
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Wiki User

9y ago

This is a chemical element. You can find the how many electron in a single atom by using a Periodic Table.

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14y ago

Br has 7 valence e-.

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Anonymous

Lvl 1
3y ago

5

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Q: How many valence electrons does br- have?
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