Why is dioxygen a gas but sulphur a solid?

Why is dioxygen a gas but sulphur a soiid?

Why is dioxygen gas but sulphur a solid?

(a) Complete the followingh chemical reaction equations : (i) Cu+HNO_(3 (dilute))to (ii) P_4+NaOH+H_2Oto (b) (i) why does R_3P=O exist but R_3N=O does not ? (R=alkyl group) (ii) why is dioxygen a gas but sulphur a solid ? (iii) why are halogens coloured ?

(a) Complete the followingh chemical reaction equations : (i) Cu+HNO_(3 (dilute))to (ii) P_4+NaOH+H_2Oto (b) (i) why does R_3P=O exist but R_3N=O does not ? (R=alkyl group) (ii) why is dioxygen a gas but sulphur a solid ? (iii) why are halogens coloured ?

Why is oxygen a gas sulphur a solid at while room temperature ?

Account for the following: Dioxygen is a gas but sulpher is a solid.