Chapter 5 Section 2 & 3 Crossword

12345678910
Across
  1. 3. These elements fill the 4f orbital
  2. 6. radius of the atom
  3. 8. All these elements are radioactive.
  4. 10. patterns that appear vertically in the periodic table
Down
  1. 1. an atom that has a charge due to the gain or loss of electrons
  2. 2. energy needed to remove an electron from a neutral atom
  3. 4. size of the atom
  4. 5. This block is unpredictable
  5. 7. The metal side of the periodic table wants to ______ electrons
  6. 9. p-block has ______ electrons in the ns sublevel