The Atom

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Across
  1. 3. atoms with the same number of protons but different numbers of neutrons
  2. 4. nucleus located in the middle of the atom contains protons and neutrons
  3. 7. Name the name of the element under the atomic symbol
  4. 8. the negative
  5. 10. the circles that contain electrons
  6. 12. Number is the same as the protons, the number in the top left corner
  7. 14. Partical a partial which is smaller than an atom in size
  8. 16. Anything takes up space and can be weighed
Down
  1. 1. an atom or group of atoms that has an electric charge
  2. 2. the natural atom
  3. 5. the positive atom
  4. 6. cannot be broken down into smaller substance
  5. 7. Mass is the quantity of matter contained in an atom of an element
  6. 9. Table the element table
  7. 11. Number atomic mass
  8. 12. a particle of matter that uniquely defines an element
  9. 13. a physical property that causes matter to experience a force within an electromagnetic field
  10. 15. Symbol the big letter in the middle of the element cube