Across
- 2. molecules made of two atoms
- 4. an unequal distribution of electric charge
- 6. are molecules always made of atoms of different elements
- 9. the attraction between metal atoms and their sea of shared electrons
- 12. bonds that form between a metal and a nonmetal
- 14. electrostatic attraction that forms between atoms that form when transfer valence electrons
- 15. a compound made up of only two elements
- 17. the building black of all matter
- 19. any electron in the outermost energy level
- 20. a group of contently bonded atoms that together have gained or lost electrons
Down
- 1. when two or more atoms produce a molecule
- 3. shows electric charge gained or lost by that element that forms a compound
- 5. a covalent bond in which electrons are charged equally
- 7. the structure created in 1960 to model covalent bonds
- 8. a way of identifying a chemical compound
- 10. what is the charge on a hydroxide?
- 11. the rule that atoms are most stable when they have eight elctrons
- 13. the smallest ratio of the ions within the compound
- 16. can two atoms atoms form more that one bond between them
- 18. a molecule with a negatively and positively charged regions