7. 2Sr + O2  2SrO
a) Determine what is oxidized and what is reduced
b) Identify the oxidizing agent and the reducing agent

8. 2Cs + Br2  2CsBr
a) Determine what is oxidized and what is reduced
b) Identify the oxidizing agent and the reducing agent

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asked by Naomi
  1. Can you write the states of each compound? I'll teach you how to do the first one and you can try the second one

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    posted by Sarah
  2. 7. Sr zero/Sr+2 lost two electrons
    O in O2 zero/ O -2 gained two electrons

    8. Cs zero/Cs +1 lost an electron
    Br in Br2 zero/Br-1 gained an electron

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