Periodic Table of Elements

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1234567891011121314151617181920212223
Across
  1. 5. This element is used in batteries.
  2. 6. A lack of this element in your diet gives you anemia.
  3. 7. This element's relative atomic mass is 35.5.
  4. 10. This element contains the same number of protons and neutrons.
  5. 11. This element's symbol is O.
  6. 15. This element's symbol is Pb, which comes from the latin word "plumbum".
  7. 16. This element is a metal that reacts well with hydrochloric acid.
  8. 17. This element is used to make a wrapping material that can go into the oven.
  9. 19. This is the third element in group 1.
  10. 20. This element is present in a gas that smells like rotten eggs.
  11. 22. One form of this element is known as graphite.
  12. 23. This is the last element in period 3.
Down
  1. 1. This element's symbol is taken from its Latin name "natrium".
  2. 2. This is the second element in period 4.
  3. 3. Atomic number is 14.
  4. 4. This element has 9 protons.
  5. 8. This is the lightest element.
  6. 9. This element is a gas that is often used to inflate balloons.
  7. 12. This is the last element in group 2 and is highly radioactive.
  8. 13. This element's symbol is P.
  9. 14. Atomic number is 4.
  10. 18. Air contains this element in the largest proportion.
  11. 21. This element's relative atomic mass is 11.