periodic table

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Across
  1. 1. 53 on the periodic table
  2. 3. this is what you get when you combine 2 hydrogen and 1 oxygen
  3. 5. I love to eat breakfast twice, it contains a lot of elements
  4. 7. K is the letter that stands for this element
Down
  1. 2. 7 on the periodic table
  2. 4. 1 carban + 2 oxygen
  3. 5. 21 on the periodic table
  4. 6. 36 on the periodic table
  5. 8. 16 on the periodic table