Metals and Non-Metals

Understanding the two great families of elements

Everything around us is made of elements. Scientists divide most elements into two main groups based on how they look and behave: metals and non-metals. Learning the difference helps us understand why a coin feels cold and shiny, while a piece of coal is dull and crumbly.

1. Metals — Example: Gold

Gold is a classic example of a metal. Metals share a set of common properties that make them easy to recognise:

• Lustrous (shiny): Metals like gold have a bright, polished shine.
• Malleable: They can be hammered into thin sheets without breaking.
• Ductile: They can be drawn into thin wires.
• Good conductors: Metals conduct heat and electricity well.
• Hard & strong: Most metals are solid at room temperature (mercury is the exception).
• Sonorous: They make a ringing sound when struck.

2. Non-Metals — Example: Carbon

Carbon is a common example of a non-metal. Non-metals behave very differently from metals:

• Dull appearance: Most non-metals have no shine (graphite is an exception).
• Brittle: Solid non-metals break or crumble when hammered.
• Not ductile: They cannot be drawn into wires.
• Poor conductors: Non-metals are generally bad conductors of heat and electricity (graphite is an exception).
• Varied states: They may be solid, liquid, or gas at room temperature.
• Not sonorous: They do not produce a ringing sound.

Remember

A few elements show mixed behaviour and are called metalloids (for example, silicon and boron). Also, some exceptions exist — graphite (a form of carbon) conducts electricity, and mercury (a metal) is a liquid.