Periodicity Test Review

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Across
  1. 1. organized the first periodic table
  2. 3. organized the table by atomic number
  3. 4. hybrid properties and are semiconductors
  4. 6. states unpaired electrons occupy empty orbitals first with parallel spin
  5. 8. used to organize elements by physical and chemical characteristics
  6. 10. what ions are with the nearest noble gas
Down
  1. 2. how strongly an atom attracts electrons to its own nucleus
  2. 5. the size of an atom
  3. 7. group 8A on the periodic table
  4. 9. the change in positive nuclear charge