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Introduction to Electricity

Amongst iodin...

Question

Amongst iodine, diamond and graphite which non metal is most illustrous?

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Solution

Diamond and graphite are allotropes of carbon (non metal).
The most lustrous non metal out of three is diamond.

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Similar questions

Match the entries of column I with column II.

Material	Exception
(a) Iodine (Non-metal)	(i) Exists in liquid state
(b) Diamond (Non-metal)	(ii) Conducts electricity
(c) Mercury (Metal)	(iii) Lustrous
(d) Graphite (Non-metal)	(iv) Hardest natural substance

Q. Question 32
Generally, non-metals are not conductors of electricity. Which of the following is a good conductor of electricity?
(a) Diamond
(b) Graphite
(c) Sulphur
(d) Fullerene

Q. Which amongst the following is the most reactive non-metal?

Q. (a) What are (i) metals (ii) non-metals, and (iii) metalloids ?

Give two examples each of metals, non-metals and metalloids.

(b) Classify the following into metals, non-metals and metalloids :

Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium

Q. Which of the following are not compounds ?
Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond

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