Across
- 2. A plasma is a hot gas with a equal number of positively and negative charges.
- 4. Atoms with the same mount number of protons.
- 7. Gold, oxygen and water.
- 9. Changes by shape and volume.
- 10. When one or more substances mix together.
- 11. Made up of several parts of a elements.
Down
- 1. Nuclear energy.
- 2. How an object look or feel.
- 3. Definite volume but no fixed shape.
- 5. Has a mass less then one thousand small atoms.
- 6. Gas is made of individual atoms.
- 8. particle in a nucleus with no charge.