QNA

The surface of some metals, such as iron, corrode when exposed to air. Explain how this affects the electrical conductivity of the metal (3)

Electrical conductivity will decrease as rust or iron oxide can contain moisture and becomes a poor conductor.

The surface of some metals, such as iron, corrode when exposed to air. Explain how this affects the electrical conductivity of the metal (3)

Electrical conductivity will decrease as rust or iron oxide can contain moisture and becomes a poor conductor.

The surface of some metals, such as iron, corrode when exposed to air. Explain how this affects the electrical conductivity of the metal (3)

Electrical conductivity will decrease as rust or iron oxide can contain moisture and becomes a poor conductor.

The surface of some metals, such as iron, corrode when exposed to air. Explain how this affects the electrical conductivity of the metal (3)

Electrical conductivity will decrease as rust or iron oxide can contain moisture and becomes a poor conductor.