Across
- 3. A reaction in which _____ is added to an element or compound
- 4. Reaction oxidation-reduction reaction
- 5. A chemical reaction in which a substance reacts with oxygen
- 8. Gain electron
- 9. A reation in which a move reactive element displaces a less reactive elemtnt from a solution of it's salt
Down
- 1. reactionn involving potassium iodine can be very useful as a test for any _____
- 2. The oxidation number of _____ is usually +1
- 4. A reaction in which oxygen is _____ from a compound
- 6. there are _____ definition of reduction
- 7. Loses electron