Give reasons Dioxygen is a gas while Sulphur is a solid at room temperature.

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Solution

Dioxygen is a gas at room temperature. It forms diatomic molecule $O_{2}$ due to its ability to form stable $p π - p π$ multiple bond.
Sulphur is a solid at room temperature. It forms staggered 8-atom rings or zig - zag chains due to its inability to form stable $p π - p π$ multiple bond because of large atomic size.

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