An element X belongs to group 17 and third period of the periodic table
Predict its nature, whether it is metal or a non metal. Give reason.

Explanation

To determine the nature of element X, which belongs to group 17 and the third period of the periodic table, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Group and Period**:
- Element X is in group 17 and the third period of the periodic table. Group 17 is known as the halogens.

2. **Determine the Element**:
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