Across
- 4. Reaction rate at beginning of reaction
- 5. Positive particles in an atom
- 7. Describes hydrocarbons with single bonds
- 11. Type pf reaction where an alkali cancels out an acid
- 14. Describes hydrocarbons with double bonds
- 15. Substance with a ph of 3
- 16. Substance with a ph of 13
- 17. Series that sorts carbon compounds into alkanes and alkenes
- 20. Most reactive metal in the reactivity series
Down
- 1. Compounds containing only carbon and hydrogen
- 2. Neutral particles in an atom
- 3. Type of symbols used to warn people of dangers
- 6. Electrons are found on these
- 8. Substance with a ph of 7
- 9. Oil that comes from fossils
- 10. These must collide for a reaction to happen
- 12. Negative particles in an atom
- 13. where positive particles are found
- 18. What happens to a reaction when all reactants are used up
- 19. These change colour in the presence of different metals ions