Chemical Patterns

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Across
  1. 1. How we can describe the ionic lattice
  2. 4. These gases are monoatomic
  3. 6. His model of the atom is still used today
  4. 11. Have different number of neutrons
  5. 12. These metals are Group 1
  6. 16. Sodium is more ______________ than lithium
  7. 18. Shape of the brackets around an ion
  8. 19. Centre of the atom
  9. 20. The reaction where Group 7 elements swap in a compound
  10. 21. The alkali formed when Group 1 metals react with water
Down
  1. 2. This compound is formed from a metal and non-metal
  2. 3. Has a mass of 1 and no charge
  3. 5. He discovered the electron
  4. 7. These non-metals are Group 7
  5. 8. What ionic compounds can do in water
  6. 9. Ordered the elements into octaves
  7. 10. This is lost or gained to make an ion
  8. 13. This number is also called the atomic number
  9. 14. Father of the Periodic Table
  10. 15. Always make a positive ion
  11. 17. A group 7 ion