Name a metal which is soft and a non-metal which is very hard.

Explanation

To answer the question, "Name a metal which is soft and a non-metal which is very hard," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Properties of Metals and Non-Metals:**
- Metals are generally lustrous, sonorous, good conductors of heat and electricity, and can vary in hardness.
- Non-metals are usually non-lustrous, non-sonorous, and poor conductors of heat and electricity. They can also vary in hardness.

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