Unit 2 Vocabulary

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Across
  1. 3. the mass of an atom
  2. 4. smaller than an atomic particle
  3. 6. an element that is the exact opposite of metal
  4. 8. determines the number of orbitals
  5. 10. property of any rotating object
  6. 11. an element with properties similar to metals and non-metals
  7. 14. an electron on the outermost shell
  8. 15. holds the electrons in place
  9. 16. vertical columns of the periodic table
  10. 17. fixed distances from the nucleus with different amounts of electrons orbiting on them
Down
  1. 1. another name for the Bohr Model
  2. 2. describes the angular momentum of an electron
  3. 5. the number of protons in the atom
  4. 7. a subdivision of electron shells
  5. 9. same element, same # of protons, different # of neutrons
  6. 11. the total number of protons & neutrons
  7. 12. horizontal rows of the periodic table
  8. 13. a shiny element that conducts heat and electricity