Across
- 1. Mrs. Torres' favorite compound
- 8. combines two light nuclei to form a heavier nucleus
- 9. substance shown after the arrow in a chemical equation
- 11. a nuclear emission with no mass and a negative charge
- 17. nuclear emission with the greatest penetration power
- 18. contains protons and neutrons
- 19. measures concentration
- 20. number used to balance chemical equations
- 21. from gas to solid
- 22. horizontal arrangement of elements in the periodic table
Down
- 2. a negative subatomic particle discovered by Thomson
- 3. a crystal that contains attached water molecule
- 4. ions made up of multiple atoms
- 5. a mixture where the components dissolve in each other
- 6. from solid to gas
- 7. two or more pure substances physically combined
- 9. it goes down as the volume goes up
- 10. when the forward and reverse reaction occur at the same rate
- 12. when electrons jump to higher energy levels
- 13. two or more elements chemically combined
- 14. reactions that absorb energy
- 15. it lowers the activation energy required to start a reaction
- 16. a measure of the disorder in a system