Chemical Bonding

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Across
  1. 3. A bond formed by the attraction between positively charged metal ions and the electrons in the metal
  2. 4. A bond that forms when electrons are transformed from one atom to another atom
  3. 5. An electron in the outer-most energy level of an atom
  4. 7. Usually consists of two or more atoms joined in a definite ratio
  5. 9. Forms when atoms share one or more pairs of electrons
Down
  1. 1. Regular pattern in which a crystal is arranged
  2. 2. The joining of atoms to form a new substance
  3. 6. An interaction that holds two atoms together
  4. 8. Charged particles that form when atoms gain or loss electrons