The increase in atomic radii in_is due to increase in the number of shells and the screening effect:
Correct answer: A. Groups
- A. Groups
- B. Periods
- C. Both A & B
- D. None of these
Explanation
Down the group, number of shells between nucleus and outermost electrons increase and the attraction of nucleus towards outermost electrons decreases. So, the radius of atoms increases.
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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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