Periodic Table Crossword

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Across
  1. 4. Period 3 and Group 15
  2. 6. A element which follows octet rule in Period 2
  3. 7. The person who named the Periodic Table
  4. 9. They are electronegative in nature
Down
  1. 1. Lowest Ionization Potential
  2. 2. Period 2 and Group 14
  3. 3. Zero Electron Affinity
  4. 5. Lightest element in periodic table
  5. 8. What is the most abundant element in the human body (by weight)?