BGE Atoms, Elements and Compounds

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Across
  1. 3. Also found in the nucleus of an atom
  2. 4. A substance that cannot be chemically broken down.
  3. 6. OH!
  4. 7. Found in the nucleus of an atom
  5. 9. Contains two or more different type of atom.
  6. 12. Name for a row on the periodic table.
  7. 13. Group 1 of the periodic table (6.5)
  8. 16. Group 7 of the periodic table - the salt formers
  9. 20. What a neutron is.
  10. 21. Contains only one type of atom
  11. 22. The charge of a proton
Down
  1. 1. Likes to have a partner, like Oxygen.
  2. 2. Found in the centre of the periodic table (10,6)
  3. 5. Name for a column on the periodic table.
  4. 8. The centre of the atom
  5. 10. Used to organise all the elements (8,5)
  6. 11. with only two elements end in this.
  7. 13. Everything is made from these.
  8. 14. The charge of an electron
  9. 15. Group 0 of the periodic table - they don't react (5,5)
  10. 17. Likes to be on its own like Helium.
  11. 18. Orbits round the nucleus of an atom
  12. 19. Compounds that contains three elements end in this.