In the reaction between bromine and sodium, a bromine atom gains an electron. What ion is formed? Is the bromine oxidized, or is it reduced?
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1. B
2. D
3. A
4. B
5. A
6. B
7. D
8. B
9. B
10. A
11. D
12. B
13. D
14. C
15. B
16. Double replacement reaction is potassium nitrate and silver bromide.
17. Sodium becomes sodium ion and bromine becomes bromide ion. Bromine is the oxidizing agent.