Across
- 4. rings
- 7. number of parts a atom has
- 10. has a neutral charge
- 12. easily broken
- 14. can be pulled into wire
- 16. made of only one type of atom
- 17. center of the atom
- 19. found on the left side of the periodic table
- 20. surrounds the atom
Down
- 1. not shiny
- 2. a new solid is formed
- 3. has a negative charge
- 5. has a positive charge
- 6. change no new substance
- 8. big number in a chemical formula
- 9. smallest part of matter
- 11. can be bent
- 13. small number in a chemical formula
- 15. change new substance
- 18. electricity can pass through