1. What is the oxidation state of monatomic ions?
- The same as the number of electron shells
- The same as the charge
- The same as the number of electrons
- The same as the number of protons
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2. Why do diatomic molecules have an oxidation state of 0?
- They have been reduced
- They have been oxidised
- They haven't lost or gained any electrons
- They lost the same amount of electrons they gained
3. What happens at the anode (positive electrode)?
- Electrophilic substituion
4. In a redox reaction, what happens to reducing agents?
- They are oxidised
- They are reduced
5. Reduction is the....
- donation of electrons
- gain of electrons
- loss of electrons