The van der Waals pressures increases through the boost in the size of the atom, and also therefore, in general, the boiling and also melting points boost from He to Rn. Argon has larger mass than helium and has bigger dispersion forces. Due to the fact that of bigger size, the external electrons are much less tightly organized in the bigger atoms so that instantaneous dipoles are more easily induced result in greater interaction between argon atoms. Therefore, the boiling suggest of Aris more than that of He.




You are watching: Argon has a higher boiling point than neon because argon has

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Video Transcript

Let's understand. Why room gone balls at a higher temperature in the Neon, Neon has actually 10 protons in that nucleus. Argon has 18 protons. This, um, in the Adam Argon has actually eight extra electrons in a more diffuse electron cloud. The electron cloud of argon is for this reason larger and an ext polarized, maybe able come express mawr inter molecular forces Vander Waals forces, which outcomes in a higher boiling allude due come these boost forces. Due to this, the boiling allude of argon is higher are gone. We have the right to see that boiling suggest is 87.2 Kelvin's, whereas a neon and spoiling allude is 24.5.




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