Basic Chemistry

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Across
  1. 2. Smallest amount of element that retains its properties
  2. 4. Number of protons in an atom
  3. 5. Other form of nitrogen available to plants
  4. 7. Found in nucleus of atom
  5. 11. Weathering of rock adds this to soil
  6. 12. Cannot be broken down to other substances
  7. 13. Bond that shares electrons
Down
  1. 1. Bond that transfers electrons
  2. 3. Positive ion
  3. 6. One form of nitrogen available to plants
  4. 8. Maximum number of electrons in third energy level
  5. 9. Electrons in outer-most shell of atom
  6. 10. Most abundant elements on earth