Chemistry

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Across
  1. 3. letters and numbers that create a formula
  2. 6. group of atoms held together with chemical bonds
  3. 8. right of the periodic table
  4. 10. atoms with fewer or more than 8 electrons in the outermost shell
  5. 11. transfer electrons
Down
  1. 1. when chemical bonds are formed or broken
  2. 2. particle that contains protons, neutrons, and electrons
  3. 4. distributed electrons
  4. 5. left of the periodic table
  5. 7. share electrons
  6. 9. links between atoms in a substance that determines its identity