Periodic Table

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Across
  1. 2. they are malleable
  2. 5. metals group 1 in the periodic table
  3. 6. gas group 18 in the periodic table
  4. 9. They are rows in the periodic table
  5. 10. These are columns in the periodic table
Down
  1. 1. first element made
  2. 3. group 3-12 on the periodic table
  3. 4. group 17 in the periodic table
  4. 7. total number of protons and neutrons
  5. 8. it is a nonmetal