Question

Write physical properties of matal and non metal?​

Answer 1

Answer:

Physical properties

The table summarises some typical properties of metals and non-metals.

ShinyDull

High melting pointsLow melting points

Good conductors of electricityPoor conductors of electricity

Good conductors of heatPoor conductors of heat

High densityLow density

Malleable and ductileBrittle

Some elements have properties that are not typical. For example:

mercury (a metal) has a low melting point and exists as a liquid at room temperature

graphite, a form of carbon (a non-metal), has a high boiling point and is also a good conductor of electricity

A substance with a high density means it has a high mass for its size.

Malleable substances can be bent or hammered into shape without shattering, while brittle substances shatter when bent or hit.

Ductile means that a substance can be drawn out into a long wire without snapping or breaking.

Chemical properties

Metals and non-metals can also be distinguished by some chemical properties.

The most common chemical property is the type of oxide that the element forms. Metals form oxides that are basic, but non-metals form oxides that are acidic. For example, sulfur and carbon are both non-metals. They react with oxygen to form sulfur dioxide and carbon dioxide. These compounds are both gases present in the air and which dissolve in rain water, making it acidic.

Some oxides do not dissolve in water, so would not affect the colour of an indicator added to the water.

Explanation:

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Answer 2

Explanation:

Physical Properties of Metals

•Some physical properties of metals are listed below.

•Shiny (lustrous) in nature

•Metal is a good conductor of electricity and heat

•Density and melting point is high

•Mouldable (Malleable)

•Ductile

•At room temperature, it is in solid form except for mercury

•Opaque

Physical Properties of Non-metals

•Some physical properties of non-metals are listed below.

•Poor conductors of electricity and heat

•Non-Ductile metals

•Brittle solids

•Maybe solids, liquids or gases at room temperature

•These are not sonorous

•Transparent

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