Question

name the non metal which has lustrous​

Answer 1

Answer:

Diamond and Iodine are the two non metals which are lustrous.

Diamond is a form of Carbon (C). Carbon is a non metal which is dull.

Diamond is used as a gem for making jewellery as it is very lustrous. Iodine is used to make tincture iodine, which is an antiseptic.

Physical properties of non metals:

• They are dull in appearance (except for diamond and iodine)
• They are non sonorous.
• They are not ductile.
• They are not malleable.
• They don't conduct heat.
• They don't conduct electricity (except for graphite)
• They are brittle. (except for diamond)
• Have low tensile strength. (except for diamond)

☆ E.g. ---> Sulphur (S), Carbon (C), Bromine (Br).

Answer 2

Answer:

Non metal with lustrous property are Iodine (I), Graphite and Diamond.

As I

2

is a metalloid, shows some properties of metal, being lustrer, Graphite has free e

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s for delocalisation and in Diamond Total Internal Reflection occurs. Due to these reasons they show lustrous property.