`As_(2)O_(5)` is ............while `Sb_(2)O_(5)` is.................. .

Explanation

To answer the question, we need to analyze the properties of the two compounds: \( \text{As}_2\text{O}_5 \) (arsenic pentoxide) and \( \text{Sb}_2\text{O}_5 \) (antimony pentoxide).

### Step-by-Step Solution:

1. **Identify the Compounds**:
- The first compound is \( \text{As}_2\text{O}_5 \), which is arsenic pentoxide.
- The second compound is \( \text{Sb}_2\text{O}_5 \), which is antimony pentoxide.

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