pd4

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Across
  1. 3. Corrosion-resistant metal in electronics
  2. 4. Rare earth used in lasers
  3. 8. Heaviest lanthanide element
  4. 9. Very hard, corrosion-resistant metal
  5. 10. Green phosphor in displays
  6. 12. Rare earth used in lasers and alloys
  7. 13. Rare earth in magnets and lasers
  8. 16. Least abundant lanthanide
  9. 17. Metal in nuclear reactor control rods
  10. 18. Rare earth used in MRI contrast
  11. 19. Densest naturally occurring element
Down
  1. 1. Rare earth used in magnets
  2. 2. Fluorescent material in screens
  3. 5. Only metal liquid at room temperature
  4. 6. Toxic metal formerly used in electronics
  5. 7. Shiny yellow metal, symbol Au
  6. 10. High melting point metal in filaments
  7. 11. Pinkish rare earth in fiber optics
  8. 14. Rare metal in superalloys
  9. 15. Precious metal used in jewelry and catalysts