elements of the periodic table

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Across
  1. 2. the third element of the periodic table. used in batteries.
  2. 5. the sixth element of the periodic table. found in plant life.
  3. 7. the eighth element of the periodic table. found in the air.
  4. 8. the first element of the periodic table. found in water.
  5. 9. the 92nd element of the periodic table. radioactive.
Down
  1. 1. the 14th element of the periodic table. used in cpus.
  2. 3. the 29th element of the periodic table. used in wires.
  3. 4. the 11th element of the periodic table. found in salt.
  4. 6. the 79th element of the periodic table. used as jewellery.
  5. 8. the second element of the periodic table. found in balloons.