Question

A non metal which is lustrous and sublimes on heating

Answer 1

A lustrous non-metal is a non-metal that has a shiny appearance i.e. carbon as graphite, phosphorus as black phosphorus, selenium, and iodine.

If you count metalloids as non-metals you can add boron, silicon, germanium, arsenic, antimony, and tellurium.


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Answer 2

Answer:

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$\implies$There are about 116 known elements. These elements have been divided into three main groups depending on their properties:

➺Metals

➺Non - Metals

➺Metalloids

All metals are lustrous their is no exception but all Non Metals are not lustrous as in exception Iodine Crystal and Graphite are shiny.

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Metallurgy: It is the science of extraction of metals from their respective ores and then refining them.

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