Read the following statements and identify the elements :
A lustrous non-metal which has 7 electrons in its outermost shell.

Explanation

To identify the element described in the statement, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Characteristics**: The question states that we are looking for a "lustrous non-metal" with "7 electrons in its outermost shell."

2. **Understanding Lustrous Non-Metals**: Generally, non-metals do not have a shiny appearance (are not lustrous). However, there are exceptions. We need to consider non-metals that can be lustrous.

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