Chemistry Vocabulary Review

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Across
  1. 1. The ability to do work.
  2. 3. The atomic number is the total number of ___ in the nucleus.
  3. 8. Melting is a (physical or chemical?) change.
  4. 10. Smallest part of an atom, orbits around the nucleus.
  5. 11. Amount of space a substance takes up.
  6. 12. Basic building block of all matter.
  7. 13. Type of change that just changes the phase, shape, or form (does not make a new substance).
Down
  1. 2. Part of the atom with no charge.
  2. 4. Part of an atom that contains both protons and neutrons.
  3. 5. Energy cannot be created or destroyed, it can only be ____.
  4. 6. Combustion is a (physical or chemical?) change.
  5. 7. Part of the atom that is positively charged.
  6. 9. Type of change that creates a new substance