Chemistry Leavingcert IIteresting Facts


  1. The only two non-silvery metals are gold and copper.
  2. Water expands when freezes, unlike other substances.
  3. Glass is actually a liquid, it just flows very, very slowly.
  4. Superfluid Helium defies gravity and climbs on walls.
  5. If you pour a handful of salt into a glass of water, the water  level will go down.
  6. Diamond and graphite are both entirely made of carbon and nothing else.
  7. The rarest naturally-occurring element in the Earth’s crust is astatine.
  8. DNA is a flame retardant.
  9. One inch of rain is equal to 10 inches of snow.
  10. A rubber tyre is technically one single, giant, polymerized molecule.
  11. Air becomes liquid at -190°C.
  12. Mars is red because of iron oxide.
  13. Our stomach is full of acid strong enough to melt metal.