Redox Reaction Concept

4. S atom (no charge) gains 2 ____ reduced to S2-.
6. Reduction is the ___ of electrons.
7. Oxidation _____ is charges that represent transfer of electrons – used when balancing the equations.
12. Complete the cell circuit by connecting the solutions of two half cell, without allowing them to mix each other.
13. Oxidation is the ___ of electrons
15. Elements which placed higher in the electrochemical series are more ____
17. Oxidation is always occur at the _____
18. Cathode is the ____ terminal.

1. Corrosion of iron is also known as
2. ____ is always has +3 of oxidation number
3. The solutions in a_____ cell are called electrolyte.
5. _____ reaction is a redox reaction between a compound and molecular oxygen (O2) to form oxygen-containing products
8. ____ is the gaining of hydrogen.
9. Litium is one of _____ metal
10. ____ reaction is type of chemical reaction that involves a transfer of electrons between two species
11. Reduction is always occur at the _____
14. Anode is the ____ terminal.
16. The reducing ____ is the reactant that is being oxidized