Chemistry Revision

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Across
  1. 2. when a chemical reacts with oxygen, producing heat and energy
  2. 3. when two liquids mix and produce a solid, the solid is called a ___
  3. 4. A state of matter where atoms move freely and will fill whatever space they're in
  4. 7. a substance made up of more than one type of atom
  5. 9. A state of matter where the atoms will take the shape of their container
  6. 10. a pure substance made up of one type of atom
Down
  1. 1. when a solid is mixed with a liquid and breaks down into the solution
  2. 5. A state of matter where the atoms are closely packed together
  3. 6. the small building blocks of all matter
  4. 7. 2d pictures or 3d objects which we use to represent atoms and molecules
  5. 8. when two chemicals interact with each other, resulting in a chemical change