Chemistry Review

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Across
  1. 2. also stay inside of the nucleus
  2. 3. is anything that has mass and takes up space
  3. 9. mass weighted average of the masses of all the elements
  4. 10. stay inside of the nucleus
  5. 11. moves freely and takes up all the space and shape of the container
  6. 12. number the sum of the numbers of protons and neutrons
Down
  1. 1. are all the different types of atoms determined by the number of protons
  2. 4. are outside of the nucleus
  3. 5. are the smallest piece of any element
  4. 6. number equal to the protons in the nucleus as well as the electrons
  5. 7. moves closer together and moves around each other, take the shape but define volume
  6. 8. vibrates in place and definite shape and volume