Across
- 1. indefinite volume, indefinite shape
- 4. the number on the periodic table that determines protons and electrons
- 7. negative charged
- 9. positive charged
- 11. neutrally charged
Down
- 2. definite volume, definite shape
- 3. anything that has mass and volume
- 5. neutrons and protons added together
- 6. is made of atoms
- 8. is made up of protons electrons, and neutrons
- 10. definite volume, indefinite shape