Across
- 4. releases heat
- 6. horizontal row in the periodic table
- 7. many ions
- 11. reaction where it forms a new substance(s)
- 13. (amu)
- 15. a reaction where the substance changes state
- 17. solid to liquid
- 19. when non-metals combine
- 22. an experiment where all products are present
- 23. characteristics that can describe a substance
- 24. new materials created by a reaction
Down
- 1. anything that has mass and occupies space
- 2. most stable and unreactive elements
- 3. solid, liquid, or a gas is a _____
- 5. liquid to solid
- 8. what takes place when 2 or more substances react to form new ones
- 9. workplace hazardous materials information system
- 10. Each vertical column forms a ______ of elements.
- 12. absorbs heat
- 14. an experiment where one or more products escape
- 16. liquid to gas
- 18. pure substances with at least one metal and one non-metal
- 19. have both metaave metals on the periodic table
- 20. gas to liquid
- 21. materials at the start of the reaction
