Atoms

Edit Answers
123456789101112131415
Across
  1. 1. – Amount of matter
  2. 5. – Ability to do work
  3. 7. – Negatively charged particle
  4. 10. – Electron region
  5. 11. – Particle with no charge
  6. 13. – Center of an atom
  7. 15. – Part of protons and neutrons
Down
  1. 2. – Electron layer
  2. 3. – Positively charged particle
  3. 4. – Relating to atoms
  4. 6. – Outer electron level
  5. 8. – Pure substance of one atom type
  6. 9. – Charged atom
  7. 12. – Atom with extra neutrons
  8. 14. – Electrical property