Bonding in MgO is an example of:
Correct answer: A. Ionic bond
- A. Ionic bond
- B. Polar bond
- C. Covalent bond
- D. Coordinate covalent bond
Explanation
The bonding in MgO is an example of ionic bonding. This is because the difference in electronegativity between magnesium and oxygen is large (3.22). This means that magnesium is more likely to lose electrons and oxygen is more likely to gain electrons. When these two atoms bond, magnesium loses two electrons and oxygen gains two electrons, forming Mg2+ and O2- ions. These ions are then attracted to each other by electrostatic forces, forming an ionic bond.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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