chemistry

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Across
  1. 2. transferring of electrons between two atoms.
  2. 4. contains protons, neutrons, and electrons.
  3. 6. the electrons on the outer shell of the atom.
  4. 8. the links between atoms.
  5. 10. a group of atoms.
Down
  1. 1. absorption of heat.
  2. 3. sharing of electrons between two atoms.
  3. 5. the molecular makeup of the object.
  4. 7. when a chemical substance is transformed into one or more different substances.
  5. 9. release of heat.