what is metal.................
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What is metal?
☞︎︎︎ Metal is an element that readily forms positive ions(cations) and has metallic bonds. Example, Aluminum, zinc, iron, copper, etc.
The characteristic or the properties metals are:
- State : Metals are generally solid at room temperature. They have very high melting points and boiling points.
- Hardness : Metals are generally hard. However there are some exceptions like sodium and potassium which are very soft.
- Lustre: When metals are freshly cut, they have a brilliant shine over three cut surface. This is called lustre.
- Density : Metals generally have high density. There are some exceptions like potassium and sodium whose density are less than 1gmcm-³
- Malleability : Metals have this property by which they can be beaten into thin sheets. This is called malleability.
- Ductility : Metals have this property by which they can be drawn into thin wires. This is called ductility.
- Tensile strength : The properties fire to which metals can bear a lot of strain without breaking is called tensile strength. Metals possessed this property too.
- Conductivity : Metals are goods conductor of heat and electricity.
- Sonorous : When metals are struck worth some hard material , they produce sound, this is called sonorous.
‡ Sodium and potassium are lighter than water
‡ Silver is the best conductor of heart and electricity.
‡ Platinum, gold and silver are called noble metals as they are not normally corroded by moist air, acids and alkalis.
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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, and alloys such as steel).
Hope it helps☺️
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