Atomic Structure

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Across
  1. 3. the mass of an atom
  2. 7. a model of the atom created by Thomson
  3. 8. electrons of the last shell/orbit of an atom
  4. 10. neutrally charged particle, located in the nucleus
  5. 14. when two atoms combine
  6. 15. a model of the atom created by Rutherford
  7. 16. a row of the periodic table
  8. 17. small amount of something
Down
  1. 1. the number of protons an element has
  2. 2. smallest unit of all matter
  3. 3. the number of protons and neutrons an atom has, mass
  4. 4. made when two atoms combine
  5. 5. negatively charged particle, orbits the nucleus of the atom
  6. 6. when atoms share electrons
  7. 9. a table that organized all known elements by their properties
  8. 11. when atoms give/take electrons
  9. 12. the number of protons and neutrons an atom has
  10. 13. positively charged particle of atom, located in nucleus