S1 Chemistry

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Across
  1. 5. This element is liquid at room temperature
  2. 8. Two or more atoms joined together
  3. 11. Solid to liquid
  4. 13. There are three states of this
  5. 14. Gas to liquid
  6. 17. Liquid to gas
  7. 19. The main gas present in air
  8. 21. A chemical which has more than one type of atom in it
  9. 22. The smallest particles that exist
  10. 24. This element has the chemical symbol Pb
Down
  1. 1. How atoms move in a solid
  2. 2. Atoms gain this when heated
  3. 3. Liquid to solid
  4. 4. This element has the atomic number 40
  5. 6. Sodium chloride
  6. 7. Hydrogen oxide
  7. 9. This state takes the shape of the bottom of its container
  8. 10. This type of energy is used to split copper chloride into its elements
  9. 12. Process by which one substance spreads through another
  10. 13. This is formed when two or more substances are mixed together without chemically joining
  11. 15. This element is a gas at room temperature
  12. 16. How atoms move in a gas
  13. 17. A substance made up of only one type of atom
  14. 18. This element has the chemical symbol Fe
  15. 20. This state takes the shape of its container
  16. 23. The 'state' of most elements at room temperature