Across
- 3. Used in lab experiments
- 4. A group in the periodic table
- 7. what makes up the periodic table
- 9. most reactive group on the periodic table
- 11. when chemicals combine they create a reaction
- 14. produces heat
- 15. change what changes that you can see with your own eyes when two different substances are mixed
- 17. Its free and it is not connected to anything
- 18. when you can pound the substance into sheets
- 20. something that is together
- 21. Slow chemical change
- 22. used when people use chemicals in there daily work
Down
- 1. Eats through other substances and is found in your body
- 2. What happens to the substances when they react with each other
- 4. found in the atomic mass
- 5. found in the atomic mass
- 6. Energy what the chemical produces
- 8. When two different metals combine
- 10. Creator of any substance
- 12. found in the atomic mass
- 13. occurs when oxygen reacts with a substance
- 16. when two substances combine that are the same
- 18. when a substance heats up and starts to fall apart
- 19. Mass Used to find the value of the element