Maximum ionic character is exhibited by:
Correct answer: B. CsF
- A. NaCl
- B. CsF
- C. KCl
- D. HF
Explanation
Ionic character is greatest when the difference in electronegativity between the two atoms is largest. Cesium (Cs) is the least electronegative element and Fluorine (F) is the most electronegative, giving CsF the largest possible electronegativity difference and the maximum ionic character.
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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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