Periodic Table

12345678910
Across
  1. 4. I’m toxic, liquid at room temperature, and once used in thermometers.
  2. 7. My symbol is just one letter, and I fuel stars.
  3. 8. I’m used in wiring and pennies; my name sounds like a dance move.
  4. 9. I’m shiny and precious, but my symbol is 'Ag'.
  5. 10. I’m a soft, silvery metal stored in oil, famous for my violent reaction with water.
Down
  1. 1. I’m a noble gas that lights up signs with a reddish glow.
  2. 2. My symbol doesn’t match my name, but I’m key in blood and rust.
  3. 3. I’m the gas you need to breathe.
  4. 5. I’m needed for strong bones and found in dairy.
  5. 6. Found in bananas and fireworks.