Write any 'four points ' of difference between fluorine and other halogens.

Explanation

### Step-by-Step Text Solution:

1. **Reactivity**:
- **Fluorine**: Fluorine is the most reactive halogen. Its high reactivity is attributed to its small atomic size and high electronegativity, which allows it to attract electrons more effectively.
- **Other Halogens**: Other halogens (like chlorine, bromine, and iodine) are less reactive than fluorine. Their larger atomic size and lower electronegativity result in decreased reactivity compared to fluorine.

2. **Hydrogen Bonding**:
- **Fluorine**: The hydrides of fluorine (HF) exhibit strong hydrogen bonding due to the high electronegativity of fluorine, which leads to a significant dipole moment.
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