Why Oxygen is a gas whereas sulphur is a soild?
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In the normal temparature,there are two types of sulphur.One is Rombic Sulphur and the other is Mono clinic Sulphur and their molecular formula is S8.These types of Sulphur have a high molecular weight and their size are also large.So the Van-Der-Wall force is very high.So Sulphur is Solid in normal temparature.But Oxygen is Di-atomic.so it's size is not so large as Sulphur.So the Van-Der-Wall force in Oxygen atom is not so high.So it remains gas in normal temparature. -
coz sulphur is initially in solid state and as it comes in contact with oxygen it burns or evaporates.This is my opinion.
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Oxygen exists as a diatomic molecules whereas sulphur exists as S6. . Hence sulphur exists as solid and O2 exists as gas -
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