periodic table crossword

12345678910
Across
  1. 1. cheapest metal
  2. 5. the most electronegativity
  3. 6. the rarest element
  4. 8. the strongest metal
  5. 9. row 6 column 10
Down
  1. 2. the most valuable metal
  2. 3. the least reactive element
  3. 4. the most common in the earth
  4. 7. row 4 column 3
  5. 10. same name as the smallest planet