Chemistry

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Across
  1. 3. A substance containing a single atom
  2. 7. Water in gas form
  3. 9. The organisation system of the elements
  4. 11. The process of a solid becoming a gas
  5. 13. An element used in creating colourful signs
  6. 14. The process of liquid becoming a gas
  7. 15. The process of a gas becoming liquid
Down
  1. 1. The process of a gas becoming a solid
  2. 2. A substance containing 3 or more atoms
  3. 4. The state of matter that turns into the shape of it's container
  4. 5. A state of matter that has the highest amount of energy
  5. 6. The process of a liquid becoming a solid
  6. 8. A substance containing 2 atoms
  7. 10. Water in solid form
  8. 11. A state of matter that keeps it's form The process of gas going into the atmosphere
  9. 12. The process of a solid becoming a liquid