Stience

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Across
  1. 3. Groups of atoms with chemical bonds
  2. 5. Links between atoms
  3. 7. Electron on outermost layer of atoms
  4. 10. Written form of a molecule Ex: Co2
Down
  1. 1. Atoms transform into different atom
  2. 2. Chemical bond that transfers electrons
  3. 4. Mostly on the left of the periodic table
  4. 6. Table of elements
  5. 8. Basic unit of matter
  6. 9. Chemical bond that shares electrons