The combination of atoms occurs because they want:
Correct answer: B. To attain an inert gas configuration
- A. To decrease the number of electrons in the outermost shell
- B. To attain an inert gas configuration
- C. To increase the number of electrons in the outermost shell
- D. To attain 18 electrons in the outermost shell
Explanation
Atoms form chemical bonds to achieve a more stable electron configuration, which is typically the configuration of the noble gases (like Neon or Argon). This "octet rule" is a major driving force for chemical bonding, as a full outer shell represents a state of low energy.
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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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