Term 2 Atoms, Molecules and States of Matter

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Across
  1. 2. A ________ diagram shows how a substance is affected by temperature and pressure.
  2. 5. Iron exposed to oxygen and changing color, forming a new substance over time is a type of ___________ change.
  3. 6. oil a natural resource used in many synthetic materials.
  4. 9. A synthetic material made from wood, water, and air.
  5. 10. This subatomic particle that has no charge
  6. 12. The difference between graphite and carbon are the number of _________ between atoms.
  7. 13. The number of these particles is unique (different) in atoms of different elements.
  8. 15. True/False: O2 is a molecule
  9. 16. The element whose symbol is H
Down
  1. 1. The color or shape of a substance are examples of _____________ properties.
  2. 3. particle which exist in all things living and non-living
  3. 4. This particle exists in a cloud around the nucleus.
  4. 5. Graphite and diamond are made of this element
  5. 7. This type of matter has different types of atoms combined to form molecules.
  6. 8. heat from a system that leads to a liquid formation
  7. 11. A durable but soft synthetic material used on vehicles.
  8. 14. On the periodic table, the atomic number increases from left to __________.