1. Two atoms of differing electronegativity form a polar covalent bond.______
2. In a double bond, atomic symbols represent nuclei and inner-shell electons.______
3. A molecule with a positive end and a negative end is called a dipole.______
4. Pulling two bonded atoms apart requires putting in energy equal to the bond energy. _______
5. VSEPR theory helps explain molecular shape. ________
6. The force between a hydrogen atom bonded to a highly electronegative atom and another electron-rich atom is called a hydrogen bond. _______
7. Some molecules are represented by two or more Lewis structures called resonance structures. ______
8. A molecular orbital is the regior where an electron is most likely to exist as it travels around two nuclei in a covalent bond._____
9. Atoms share electrons equally in an ionic bond._______
10.Molecules are attracted to each other by electronegativity._______