Across
- 2. name for columns on the periodic table
- 5. 2 words; outer most electrons
- 9. two or more of different atom elements
- 12. two or more of the same element atoms
- 13. tells you how many compounds there are
- 14. pure substance of only one type of atom
- 15. subatomic charge with no particle
Down
- 1. negatively charged subatomic particles
- 3. positively charged subatomic particle
- 4. cannot be broken down into anything smaller; makes up everything
- 6. tells you how many of each atom are in a compound
- 7. what results after a chemical reaction
- 8. home for protons and neutrons
- 10. name for the rows on the periodic table
- 11. the two or more substances that are going to be part of a reaction