Across
- 3. has a negative charge almost no mass
- 7. found in between the 2 other types of element
- 10. can be hammered into shapes
- 11. can be pulled into a wire
- 15. can hold in heat or sound
- 17. rows that go up and down
- 18. when something is made of only one atom
- 19. When an object lacks brightness
Down
- 1. has a positive charge and identifies the atom
- 2. the center of the atom
- 4. number 79 on the periodic table
- 5. The smallest part of matter
- 6. found on the right side of the table
- 8. Found on left side of the table
- 9. a table arranged into families and periods
- 12. lets heat and sound pass through it
- 13. rows from left to right
- 14. can easily be broken
- 16. when an element is natural shiny
