elements lol

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Across
  1. 3. The 100th element
  2. 5. I
  3. 7. Named after the 7th planet probably
  4. 9. First 2 letters of Australia
Down
  1. 1. Element number 2
  2. 2. This is one of the strongest metals
  3. 4. This element polluted the water of flint
  4. 6. You can use this to make buckets in Minecraft
  5. 8. Another name for 5 cents in america