Atoms, Molecules, and Compounds

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Across
  1. 4. Electrons responsible for chemical reactions
  2. 5. Made of more than one type of atom
  3. 8. Group 2 on the periodic table
  4. 10. The vertical column of the periodic table
  5. 11. Made of one type of atom
  6. 13. Negatively charged sub-atomic particle
  7. 15. The area of an atom that holds the protons and neutrons
  8. 16. The building blocks of everything
  9. 17. Made of more than one atom
Down
  1. 1. A table with all of the elements
  2. 2. Group 17 on the periodic table
  3. 3. Used to organize the periodic table; tells how many protons an atom has
  4. 6. The horizontal row of the periodic table
  5. 7. Group 1 on the periodic table
  6. 9. Neutral sub-atomic particle
  7. 12. Group 18 on the periodic table
  8. 14. Positively charged sub-atomic particle