Across
- 1. anything on the periodic table
- 6. releases heat
- 9. solid to gas
- 10. horizontal row on the periodic table
- 12. shiny,malleable,ductile
- 14. characteristics that describe a substance
- 16. gas to liquid
- 19. "father of modern chemistry"
- 20. "raisin bun model"
- 22. two or more elements combined chemically
Down
- 2. catalysts in the body
- 3. workplace hazardous material information system
- 4. vertical column on the periodic table
- 5. anything that has mass and takes up space
- 6. absorbs heat
- 7. materials at the start of the reaction
- 8. substances that help reaction go faster
- 11. most reactive non-metals
- 13. homogeneous substance
- 15. have metallic and non-metallic properties
- 16. oxygen in the air reacts with metal
- 17. believed everything was made of earth,water,fire,and air
- 18. "billiard model"
- 21. new materials produced in a reaction
- 23. amount of mass in a given volume of a substance