Element Crossword Chemistry

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Across
  1. 2. Most malleable and ductile of all metals
  2. 5. Used in catalytic converters
  3. 8. Standard material for electrical wiring
  4. 9. Smells like rotten egg
  5. 12. Used in nuclear power plants
  6. 14. Highest strength to weight ratio metal
  7. 15. Bright advertising signs
Down
  1. 1. Ranked third in the hardness scale
  2. 3. Melts in your hand
  3. 4. Soft enough to be cut with a knife
  4. 6. Only metal that is liquid at room temperature
  5. 7. Used in filling party balloons
  6. 10. The fundamental building block of computer chips
  7. 11. The most abundant metal in Earth's crust
  8. 13. Highest electrical and thermal conductivity