Across
- 2. column of elements on the periodic table with similar properties
- 5. subatomic particle with a positive electrical charge located in the nucleus
- 6. nonmetalic element that has some metal characteristics
- 9. the number of protons in the nucleus
- 10. substance that cannot be broken down or change
Down
- 1. subatomic particle with a negative electrical charge
- 3. arrangement of the chemical elements in rows and columns
- 4. does not conduct electricity or heat well, is not hard or malleable
- 7. can conduct electricity and heat, are very shiny, strong, hard, and malleable
- 8. subatomic particle with a neutral electrical charge located in the nucleus