In binary compounds, the suffix__________ is added to the second element.

Explanation

To answer the question, "In binary compounds, the suffix__________ is added to the second element," we can follow these steps:

### Step-by-Step Solution:

1. **Define Binary Compounds**:
- A binary compound is a chemical compound that consists of exactly two different elements. For example, HCl (Hydrogen Chloride) and NaCl (Sodium Chloride) are binary compounds because they are made up of two different elements.

2. **Identify the Second Element**:
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