Chemistry Crossword

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Across
  1. 4. what element has the atomic number of 7
  2. 6. what is aluminium's atomic number
  3. 9. protons plus neutrons
  4. 10. negative charges of an atom
  5. 11. what does K stand for
  6. 12. the element He has an atomic number of
  7. 13. what does Si stand for
Down
  1. 1. what the periodic table is full of
  2. 2. what element has the atomic number of 5
  3. 3. what element has the atomic number of 12
  4. 5. our bodies are made up of billions of
  5. 7. glass cylinder
  6. 8. whats the smallest part of an atom
  7. 11. positive charges of an atom