Across
- 7. pure substance made of only one type of atom
- 8. energy of particles in motion
- 10. atomic particle having a positive charge
- 11. center of an atom
- 12. downward curve of liquid in graduated cylinder
- 13. combination of at least two atoms
- 14. atomic particle having a negative charge
- 15. units for measuring mass
- 17. path on which an electron travels
Down
- 1. energy of motion
- 2. anything having mass and volume
- 3. atomic particle having a neutral charge
- 4. energy of an object in a position
- 5. combination of at least two different atoms
- 6. units for measuring volume
- 9. amount of space something occupies
- 13. amount of matter something contains
- 16. building block of all matter