Across
- 4. Is a slow chemical change
- 5. A change in matter that is non-reversible
- 9. Workplace Hazardous Material Information System (abbreviation)
- 11. Anything that has mass and occupies space
- 13. Total mass of these products is always the same as the total mass of the reactants
- 14. When non-metals combine
- 15. Anything on the periodic table, made of one atom
- 16. A change in matter that is reversible
- 18. The speed of a chemical reaction
- 22. Mixture of two or more pure substances that looks like one substance
- 23. metal + non-metal
- 24. Organic catalysts
- 25. Is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
Down
- 1. Releases heat energy
- 2. An experiment in which one or more products of a chemical reaction can escape
- 3. A substance that reacts with a substance
- 6. An atom or a group of atoms that had been electrically charged
- 7. Is a chemical reaction that takes place in the cells in your body
- 8. Absorbs heat energy
- 10. Occurs when two or more materials react and create new materials
- 12. Are substances that help a reaction proceed faster
- 17. Cloudy mixture that can be separated
- 19. A new substance created with a chemical reaction
- 20. Chemical combination of two or more elements in a specific ratio
- 21. Cloudy mixture that can't be separated