Periodic Table

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Across
  1. 2. Element with atomic number 6
  2. 4. Classification of hydrogen
  3. 5. Location of most metals in the periodic table
  4. 6. Location of most nonmetals in the periodic table
  5. 8. Element with 11 protons
  6. 9. Positively charged particles in the nucleus
  7. 11. Number of protons in an atom
  8. 12. Element with atomic number 8
Down
  1. 1. Halogen in period 2
  2. 2. Group 2 element in period 4
  3. 3. Element with atomic number 12
  4. 7. Lightest element in the periodic table
  5. 10. Number of neutrons in magnesium-24