Across
- 3. Made up of two or more elements combined in a specific ratio
- 5. Characteristics that can be used to describe a substance
- 8. An atom that has been that has been electrically charged because of it's lost or gained electrons
- 10. Has mass and takes up space
- 11. Can be separated
- 12. Cannot be separated
- 14. Consists of the absorption of heat/energy
- 15. Made up of one type of matter
- 16. The more heat added to the reactants, the faster the reactions.
- 17. Results in the formation of another substance
- 19. Pure substance formed when at least one metal and non-metal combine
- 21. The smallest part of an element
- 22. Helps a reaction proceed faster
- 23. Substance that reacts with another substance in a chemical reaction
- 25. negatively charged particles
Down
- 1. A type of catalyst that breaks down food
- 2. Pure substance formed when at least two non-metals combine
- 4. When certain atoms of elements combine
- 6. You can identify this change by it’s appearance being slightly altered but having the same composition
- 7. Consists of the energy/heat being given off
- 9. The greater the _____ __ of the reactants means that more area is available for reaction.
- 13. Different substances that cannot be visibly separated
- 18. Made up of one type of atom, particle or matter
- 20. The greater the ________, the faster the reaction.
- 24. This word characterizes a substance being solid, liquid or gas depending on the temperature