Metals
Iron, magnesium and gold are examples of metal elements. Metals have properties in common. They are:
- shiny, especially when they are freshly cut
- good A material which allows charge to move easily through it. of heat and electricity
- Capable of being hammered or pressed into a new shape without being likely to break or return to the original shape. (they can be bent and shaped without breaking)
Most metals also have other properties in common. They are:
- solid at room temperature, except mercury
- hard and strong
- they have a high A measure of compactness and the ratio of mass to volume. It is usually measured in kilograms per metre cubed (kg/m3) or grams per centimetre cubed (g/cm3).
- they are Able to make a ringing sound when hit.
Mercury is the only metal that is liquid at room temperature
Three metals (iron, cobalt and nickel) are magnetic. Steel is a mixture of elements but it is mostly iron, so it is also magnetic. The other metal elements are not magnetic.