Have you ever seen foils and wires made of non-metals such as carbon or oxygen? If not, then why?

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks why we do not see foils and wires made of non-metals like carbon or oxygen.

2. **Defining Malleability and Ductility**:
- **Malleability** is the property of a material that allows it to be hammered or rolled into thin sheets (foils).
- **Ductility** is the property that allows a material to be stretched into thin wires.

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