Across
- 4. negatively charged particle
- 6. when chemicals are combining together to make something new
- 7. on the right side of the reaction arrow
- 8. inner transition elements starting with a
- 10. amount of substance per unit volume
- 11. what electron sublevels are partitioned into
- 12. the number that is changed for balancing purposes
- 14. type of reaction where products can form reactants
- 15. when there is no net change in a reaction
- 16. can speed up a reaction
- 17. neutral particle
- 18. the law of conservation of ____ that chemical equations are balanced to
- 20. the letters representing elements on the periodic table
Down
- 1. solid that is formed as a macroscopic chemical change indicator
- 2. the number of major classes for chemical reactions
- 3. positively charged particle
- 4. type of spectra that provide info on energy levels
- 5. inner transition element starting with l
- 6. on the left side of the reaction arrow
- 9. area around the nucleus where electrons are located
- 13. can slow down a reaction
- 15. the highest number valence electrons can go up to
- 17. where protons and neutrons are located
- 19. where protons, neutron, and electrons are located