Name the property of metals by which they can be beaten into thin sheets.

Options

A. Sonorous
B. Ductility
C. Malleability
D. Lustrous

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the specific property of metals that allows them to be beaten into thin sheets.

2. **Identifying Properties of Metals**: We need to consider the different properties of metals to find the correct one. Common properties include:
- Sonorous
- Ductility
- Malleability
- Lustrous

3. **Analyzing Each Property**:
- **Sonorous**: This property refers to the ability of a metal to produce a ringing sound when struck. This is not related to being beaten into sheets.
- **Ductility**: This property allows metals to be drawn into wires. While it is an important property, it does not pertain to the ability to form sheets.
- **Malleability**: This is the property that specifically refers to the ability of metals to be beaten or rolled into thin sheets. This is the correct property we are looking for.
- **Lustrous**: This property describes the shiny appearance of metals. It does not relate to the ability to form sheets.

4. **Conclusion**: The property of metals that allows them to be beaten into thin sheets is called **Malleability**.

**Final Answer**: Malleability

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