Across
- 2. A type atom that determined by the number of protons.
- 5. Has mass and volume
- 7. Number of protons in the nucleus and electrons in the atom.
- 8. Number of protons and neutrons.
- 11. Negatively charged particles.
- 12. Doesn't have a definite shape but has a definite volume.
- 13. No definite volume or shape.
Down
- 1. An abbreviation of an elements name.
- 3. Positive particles.
- 4. Neutral particles.
- 6. A small part of matter and a basic building block.
- 9. Rounded number of protons and neutrons.
- 10. Both definite volume and shape.