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Elements

What are non-...

Question

What are non-metals? Name any four non-metals.

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Solution

Non-metals - The group of elements that occur as solids and gases shows properties opposite to that of metals but have some unique properties like fluidity are called non-metals.
Four non-metals are:
Hydrogen
Nitrogen
Oxygen
Sulfur

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Q. Question 30
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous; non-sonorous; non-malleable and are coloured.
(a) Name a lustrous non-metal.
(b) Name a non-metal which exists as a liquid at room temperature.
(c) The allotropic form of a non-metal is a good conductor of electricity. Name the allotrope.
(d) Name a non-metal which is known to form the largest number of compounds.
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(f) Name a non-metal which is required for combustion.

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