Across
- 2. cylynder measures volume
- 5. a group of atoms bound together
- 6. used when an irregular object doesn't fit in a graduated cylynder
- 8. the symbol is g
- 10. measures the mass
- 12. amount something weighs
- 13. two or more elements bound together
- 18. where the electrons move around the atom
- 19. have negative charge
Down
- 1. the center of an atom
- 3. about the equivilent of protons and neutrons in an atom
- 4. have a positive charge
- 7. where all the electrons are located
- 9. a table of elements in rows and columns
- 11. the number of protons of an atom
- 14. have no charge
- 15. a pure material of a substance (oxyegen)
- 16. mass divided by volume
- 17. amount of space an object takes up