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The melting point of a substance depends, in part, on whether one or more intermolecular forces act to attract the molecules of the substance, and on the strengths of these forces. In the cases of the substances you mention these forces are absent or very small.

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Q: Why do oxygen and methane have low melting points?
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Related questions

Do nitrogen and oxygen have very high melting points?

No, they have very low melting.


Why the melting point of methane is high?

Methane has an extremely low melting point. This is due to weak intermolecular attraction.


Do the halogens have a high or low melting points?

They have low melting points and high reactivity.


Do simple molecular substances have high or low melting and boiling points?

Yes, molecular solids have relatively low melting points.


List properties common to many organic compounds?

Low Melting Points Low Boiling Points Strong Odors Do Not Conduct Electricity Low Melting Points Low Boiling Points Strong Odors Do Not Conduct Electricity


Do have nonmetals have high melting points?

Yes non metals do have high melting and boiling points. This is because they have strong intemolecular forces that are hard to overcome.A2. Their melting points vary. Obviously gases such as nitrogen and oxygen have low melting points, but Silicon (1414oC) and Diamond ( around 1700oC) are rather high. Phosphorous and Sulfur on the other hand are rather low.


Do salts have very low melting points?

No


Melting points of alkali metals?

Alkali metals have relatively low melting points compared to the other metals. Their exact melting points depend on the element itself. But it would be useful to note that their melting points decreases down group I.


In ionic compounds Is the melting point high or low?

They have high melting points


Do the molecules of alkanes have strong intermolecular forces and high melting points?

No, alkanes are non polar compounds and have low intermolecular attraction and low melting points.


Do solids have a high or low melting point?

That depends on the solid: ice has a very low melting point, lard and butter have low melting points, chocolate has a relatively low melting point, wax has an intermediate melting point, lead has a high melting point, iron has a very high melting point, tungsten has an extremely high melting point.


Does non metals have low melting points?

Yes.