Y10 Chemistry revision
Across
- 3. The name for the outermost electrons
- 5. Atoms have the same number of valence electrons
- 10. Can be pulled or stretched into shape
- 11. Can be beaten, or hammered into shape
- 12. A property of metals
- 14. The protons + the neutrons
- 15. The number of protons, and also electrons
- 17. Found outside the nucleus
- 18. Positive charge
Down
- 1. 2 or more atoms that are joined
- 2. The middle of an atom
- 4. Neutral charge
- 6. 2 or more different atoms that are joined
- 7. Group 17, period 3
- 8. Atoms have the same number of energy levels
- 9. Group 2, period 3
- 13. The max number of electrons in the second energy level
- 16. Group 14, Period 2