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