How many valence electrons are present in non-metals?

Explanation

To determine how many valence electrons are present in non-metals, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Valence Electrons**:
- Valence electrons are the electrons located in the outermost shell of an atom. They are important because they determine how an element will react chemically.

2. **Identifying Non-Metals**:
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