Properties of Metals

Metals are a group of elements that possess certain characteristic properties which distinguish them from non-metals. Some of the key properties of metals are:

1. Conductivity: Metals are excellent conductors of heat and electricity. They have a high density of free electrons, which allows the easy flow of electric current and heat through the material.

2. Ductility: Ductility is the property of a material to be stretched into thin wires without breaking. Metals, such as copper and aluminum, exhibit high ductility and can be drawn into thin wires without losing their strength.

3. Malleability: Malleability is the property of a material to be easily hammered or rolled into thin sheets without breaking. Metals like gold and silver are highly malleable and can be beaten into thin foils.

Ductility and Malleability

Ductility and malleability are closely related properties, as both involve the ability of a material to undergo plastic deformation without fracture. However, there is a subtle difference between the two:

- Ductility specifically refers to the ability of a material to be drawn into wires, whereas
- Malleability refers to the ability of a material to be hammered or rolled into thin sheets.

Both properties are characteristic of metals due to their unique atomic structure and metallic bonding. The arrangement of metal atoms allows for the movement of atoms or ions within the crystal lattice, enabling the material to undergo plastic deformation without breaking.

Explanation for the Correct Answer

The correct answer for the given question is option 'B' - Ductility. This is because ductility specifically refers to the ability of metals to be drawn into thin wires. It is a distinct property of metals and is a result of their atomic structure and metallic bonding.

While conductivity is also a property of metals, it refers to their ability to conduct heat and electricity. Malleability, on the other hand, refers to the ability of metals to be hammered or rolled into thin sheets. While metals are both ductile and malleable, the property described in the question pertains specifically to ductility, making option 'B' the correct answer.

In conclusion, the property of metals that allows them to be drawn into thin wires is known as ductility. This property is a result of the unique atomic structure and metallic bonding present in metals.