Question

define metals with examples​

Answer 1

Answer:

A metal is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typically malleable or ductile.

Explanation:

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Answer 2

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A metal is an element that is malleable and ductile, and conducts electricity.

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Iron, copper, Aluminum, Zinc, silver, Gold, Platinum, chromium, sodium, potassium, magnesium, Nickel, Cobalt, Tin, Lead, Cadmium, Mercury, Antimony, Tungsten, Manganese and Uranium.

Note- All the metals are solid except one Metal mercury, which is a liquid.

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$\underline{ \underline \mathtt{properties \: of \: metals}}$

• Metals are Malleable⇨This means that metals can be beaten into thin sheets with a hammer (without breaking).

• Metals are Ductile⇨This means that metals can be drawn (or stretched) into thin wires.

• Metals are good Conductors of heat and electricity⇨this means that metals allow heat and electricity to paas through them easily.

• Metals are Lustrous (or shiny), and can be polished⇨for example, gold, silver and copper are shiny metals and they can be polished.

• Metals are generally hard (except sodium and potassium which are soft Metals)

• Metals are Usually strong. They have high tensile strength⇨this means that metals can hold large weights without breaking.

• Metals are solids at the room temperature (except mercury which is a liquid metal). All the Metals like iron, copper, aluminum, silver and gold, etc.,

• Metals have high densities⇨this means that metals are heavy substances.

• Metals are Sonorous⇨This means that metals make a ringing sound when we strike them. it is due to the property of sonorousness of metals.

• Metals usually have silver and grey colour (except copper and gold

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