Explain why dipole moment of hydrogen halides decreases from HF to HI

Explanation

To explain why the dipole moment of hydrogen halides decreases from HF to HI, we can break down the explanation into several steps:

### Step 1: Understanding Dipole Moment
The dipole moment (\( \mu \)) is a measure of the separation of positive and negative charges in a molecule. It is calculated using the formula:
\[ \mu = q \times d \]
where \( q \) is the charge and \( d \) is the distance between the charges.
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