What are the maini differences between metal and non-metals ?

Explanation

To differentiate between metals and non-metals, we can summarize the main differences in a tabular format. Here’s a step-by-step breakdown:

### Step-by-Step Solution:

1. **State of Matter**:
- **Metals**: Mostly solid at room temperature, with the exception of mercury which is a liquid.
- **Non-Metals**: Can exist in solid, liquid, or gaseous states. For example, carbon (solid), bromine (liquid), and hydrogen/nitrogen (gases).

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