Matter matters

Edit Answers
123456789101112
Across
  1. 3. molecule
  2. 4. isotope
  3. 7. hydrogen bond
  4. 9. ionic bond
  5. 11. compound
  6. 12. electron
Down
  1. 1. adhesion
  2. 2. cohesion
  3. 5. covalent bond
  4. 6. element
  5. 8. Nucleus
  6. 10. ion