Chemistry Review

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Across
  1. 2. Name of the element with the symbol 'Hg'
  2. 7. Clusters of atoms
  3. 8. An increase in size
  4. 10. A decrease in size
  5. 11. Change of state where a liquid is heated and changes to a gas within the liquid
  6. 12. The positive subatomic particles that sit in the nucleus of an atom
Down
  1. 1. the substances formed in chemical reactions
  2. 3. Change of state from solid to a gas
  3. 4. Change of state from liquid to a solid
  4. 5. Able to be stretched to form a wire
  5. 6. A process that absorbs energy from the surroundings
  6. 7. Anything that has mass and takes up space
  7. 9. The smallest building block that makes up all substances