Question

Define metals and non metals ?

Answer 1

Metal is a  solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g. iron, gold, silver, and aluminium
Non metal is an element or substance that is not a metal

Answer 2

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☞ What are Metals ?

1. 78% of known elements are metals.
2. They take up the left side of the Periodic Table.
3. At room temperature, they are usually solids (except mercury).
4. They usually have high boiling and melting points.
5. They are shiny having metallic lustre.

☞ What are Non-metals ?

1. They occupy the right-hand side of the Periodic Table.
2. Most non-metals are brittle and are not malleable or ductile.
3. At room temperature, they are usually solids or gases.
4. They usually have low boiling and melting points (except carbon and boron).
5. They are poor conductors of heat and electricity.

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-: Additional Information :-

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☞ What are Metalloids ?

1. Metalloids exhibit some properties of metals as well as of non-metals. 
2. They may have a metallic or dull appearance.
3. They are usually brittle and are fair conductors of electricity.
4. They may gain or lose electrons during chemical reactions.
5. They form alloys with metals.

☞ Types of Metals

There are three main types of metals :-

1. Ferrous metals
2. Non ferrous metals
3. Alloys Metals

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