Across
- 3. positive electrical charge
- 5. properties between metals and nonmetals
- 6. left to right on a periodic table
- 10. substance that is a conductor of electricity and heat
- 11. amount of electrons on the outer shell of an atom
- 16. element not having a metal character
- 17. one substance made from atoms
- 18. represents the element
Down
- 1. top to bottom on a periodic table
- 2. represents the number of protons and electrons
- 4. smallest particle of an element
- 7. created the periodic table
- 8. goes around the nucleus, area where electrons are
- 9. mass given of an element
- 12. negative electrical charge
- 13. center part of an atom
- 14. neutral electrical charge
- 15. group of rare gases