Unit 4 Vocabulary

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Across
  1. 4. electrons surrounding an atom
  2. 8. outermost electrons
  3. 9. Sharing of electrons to become a bond
  4. 10. Transfer of electrons to form a bond
Down
  1. 1. the outer most energy level
  2. 2. the first energy level is ____ from the nucleus
  3. 3. Attraction between atoms
  4. 5. groups/families are _____ in the periodic table
  5. 6. what bond forms a crystal lattice
  6. 7. periods are _____ in the periodic table