EON Unit 1 Review

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Across
  1. 4. The building blocks of all matter.
  2. 7. States of matter are changed by adding or removing what type of energy?
  3. 11. Two or more elements such as H2O or CO2.
  4. 14. A state of matter in which atoms are arranged in regular repeating patterns.
  5. 15. Change in state from gas to liquid.
  6. 16. Change in state from solid to liquid.
  7. 17. A state of matter in which atoms flow and take on the shape of the container they are in
  8. 18. Also called levels. This is the area in which electrons orbit the nucleus
Down
  1. 1. The negatively charged particles n an atom
  2. 2. Protons and neutrons make up this in an atom
  3. 3. A state of matter in which molecules fly around at great speed.
  4. 5. A change in state from solid to a gas without passing through the liquid phase.
  5. 6. A change in state from gas to solid without passing through the liquid phase.
  6. 8. Two or more atoms, whether they are the same type of atom (H2) or two different types of atoms (H2O)
  7. 9. The positively charged particles in an atom
  8. 10. The neutral particles in an atom
  9. 12. Change in state from liquid to gas.
  10. 13. Change in state from liquid to solid .