Which one is an index to metallic character?
Correct answer: A. Ionization energy
- A. Ionization energy
- B. Electron affinity
- C. Atomic radius
- D. Electronegativity
Explanation
Ionization energies help classify substances as metals , non metals and metalloids. Metals have low IE , non metals have high IE and those with intermediate IE are called metalloids.
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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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