non metals with properties and uses
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High ionization energies.
High electronegativities.
Poor thermal conductors.
Poor electrical conductors.
Brittle solids—not malleable or ductile.
Little or no metallic luster.
Gain electrons easily.
Dull, not metallic-shiny, although they may be colorful.
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Physical Material Properties of Non Metals
The physical properties of non – metals are :
The solid non-metals are brittle or dull and soft as they can be broken down into a powdery substance or mass on tapping down with the hammer.
Few examples are Coal and Sulphur.
However, Diamond is an exception as it is the hardest non-metal.
Non – metals may be either solids, liquids, or gases.
Non-metals are poor conductors of heat and electricity except Graphite.
They do not possess metallic luster.
Non-metals are not sonorous, they do not produce a ringing sound.
Non-metals possess no malleability.
They are not ductile.
They have dull luster, however, iodine is lustrous.
Some example of non – metals are carbon, oxygen, Sulphur, phosphorous, and many more.
Uses of Non Metals
Many non-metals like chlorine, Sulphur, iodine are very useful for medicinal purposes.
Non-metal like oxygen is very essential for our life for respiration.
We use nitrogen phosphorus in fertilizers for better plant growth and enhance the fertility of the soil.
Non-metal like Sulphur is useful in crackers.
Chlorine and Fluorine are useful for the water purification purpose.
The physical properties of non – metals are :
The solid non-metals are brittle or dull and soft as they can be broken down into a powdery substance or mass on tapping down with the hammer.
Few examples are Coal and Sulphur.
However, Diamond is an exception as it is the hardest non-metal.
Non – metals may be either solids, liquids, or gases.
Non-metals are poor conductors of heat and electricity except Graphite.
They do not possess metallic luster.
Non-metals are not sonorous, they do not produce a ringing sound.
Non-metals possess no malleability.
They are not ductile.
They have dull luster, however, iodine is lustrous.
Some example of non – metals are carbon, oxygen, Sulphur, phosphorous, and many more.
Uses of Non Metals
Many non-metals like chlorine, Sulphur, iodine are very useful for medicinal purposes.
Non-metal like oxygen is very essential for our life for respiration.
We use nitrogen phosphorus in fertilizers for better plant growth and enhance the fertility of the soil.
Non-metal like Sulphur is useful in crackers.
Chlorine and Fluorine are useful for the water purification purpose.
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