Atoms and Bonding

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Across
  1. 4. neutral group of atoms joined by covalent bonds
  2. 6. the most stable group of elements with 8 valence electrons
  3. 7. forms from the attraction between positive and negative ions
  4. 8. covalent bond in which electrons are shared unequally
  5. 10. force of attraction that holds two atoms together as result of rearrangement of electrons between them
  6. 11. an atom or group of atoms that has an electric charge
  7. 13. have 1 valence electron and are most reactive
  8. 14. rows in the periodic table represent the number of these
Down
  1. 1. electrons in outermost energy level of atom that bond
  2. 2. have 2 valence electrons
  3. 3. ion that is made of more than one atom
  4. 5. forms when two atoms share electrons
  5. 9. forms when ions form an orderly three dimensional shape
  6. 12. have 7 valence electrons