Chemistry

Question Analysis
This question involves explaining the electronegativity difference between two Group 17 elements. The main focus is on the atomic structure factors that influence electronegativity.

Key Concept Explanation
Electronegativity is influenced by atomic radius and nuclear charge.
For elements in the same group, smaller atomic radius means valence electrons are closer to the nucleus, resulting in stronger attraction for bonding electrons (higher electronegativity).

Step-by-Step Solution
1. Identify F and Br as Group 17 elements (F is Period 2, Br is Period 4).
2. Recall that electronegativity decreases down a group due to increasing atomic radius.
3. Evaluate options: Option B correctly links smaller atomic radius ...