Question

what are the characteristic properties of metals ?? sweet of them who will answer ​

Answer 1

Explanation:

State: Metals are solids at room temperature with the exception of mercury, which is liquid at room temperature (Gallium is liquid on hot days).

Luster: Metals have the quality of reflecting light from their surface and can be polished e.g., gold, silver and copper.

Malleability: Metals have the ability to withstand hammering and can be made into thin sheets known as foils. For example, a sugar cube sized chunk of gold can be pounded into a thin sheet that will cover a football field.

Ductility: Metals can be drawn into wires. For example, 100 g of silver can be drawn into a thin wire about 200 meters long.

Hardness: All metals are hard except sodium and potassium, which are soft and can be cut with a knife.

Valency: Metals typically have 1 to 3 electrons in the outermost shell of their atoms.

Conduction: Metals are good conductors because they have free electrons. Silver and copper are the two best conductors of heat and electricity. Lead is the poorest conductor of heat. Bismuth, mercury and iron are also poor conductors

Density: Metals have high density and are very heavy. Iridium and osmium have the highest densities whereas lithium has the lowest density.

Melting and Boiling Points: Metals have high melting and boiling points. Tungsten has the highest melting and boiling points whereas mercury has the lowest. Sodium and potassium also have low melting points

Answer 2

Answer:

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properties of metals-

• good conductors of heat and electricity.
• lustrous and ductile.
• all metals are solid at room temperature except mercury.
• metals are opaque.

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