Draw the structure of peroxodisulfuric acid.

Explanation

To draw the structure of peroxodisulfuric acid (H₂S₂O₈), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Molecular Formula**:
- The molecular formula for peroxodisulfuric acid is H₂S₂O₈. This indicates that there are 2 sulfur (S) atoms, 8 oxygen (O) atoms, and 2 hydrogen (H) atoms.

2. **Determine the Valency of Sulfur**:
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