Chemistry Crossword

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Across
  1. 5. Carbon is an ____ as it is a pure substance that cannot be changed into anything simpler.
  2. 7. Coke is a ____ because it is the same all throughout.
  3. 9. A cube of tungsten if cut, will go through a ____ because it is still tungsten.
  4. 11. Table salt is ____ because it dissolves in water.
  5. 12. Rust is the result of ____, as it is iron which has reacted with oxygen over time.
  6. 14. Water is often an example to use when describing ____ of matter, because it can be commonly seen as a solid, a liquid, and a gas.
  7. 16. When water hits the ____ it turns from a liquid to a gas.
Down
  1. 1. Hydrogen Peroxide is a _____ because it is composed entirely of one identical particles, H2O2.
  2. 2. Petroleum is considered ____, because of its ability to react rapidly with oxygen and release energy.
  3. 3. Chocolate has a relatively low ____ since it turns to a liquid with just body heat.
  4. 4. Cake is not a ____ as there are parts of the cake that are completely different from another.
  5. 6. Methane has the ____ CH4.
  6. 8. Aluminum, commonly being pressed into thing sheets is a ____ material.
  7. 10. Hydrogen is the first element on the ____ of elements.
  8. 13. This clock is ____ because it has mass and volume.
  9. 15. Copper has good ____ as it allows for electrons to travel between atoms easily.