periodic table

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Across
  1. 2. Is a natural element.
  2. 5. The 5th element on the periodic table.
  3. 7. A metal that can be harmful to humans.
  4. 8. Atomic number is 30
  5. 10. Its atomic number is 55.
Down
  1. 1. P is their chemical symbol.
  2. 3. Has atomic weight of 131.
  3. 4. It is found n foods such as milk and cheese.
  4. 6. When freshly cut it is grey then turns blue.
  5. 9. It is colorless,order-less,tasteless,and non toxic.