What is the degrees of freedom of helium gas ?

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SUMMARY

The degrees of freedom of helium gas is 3, as it is a monatomic gas. Helium, classified as a noble gas, consists of single atoms rather than diatomic molecules. This distinction is crucial for understanding its physical properties and behavior in thermodynamic contexts. Unlike diatomic gases, which have 5 degrees of freedom (3 translational and 2 rotational), helium's monatomic nature limits it to translational motion only.

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  • Understanding of monatomic and diatomic gases
  • Basic knowledge of the periodic table and noble gases
  • Familiarity with degrees of freedom in thermodynamics
  • Concept of translational and rotational motion in gases
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  • Research the properties of noble gases and their applications
  • Study the kinetic molecular theory of gases
  • Learn about the degrees of freedom for various gas types
  • Explore the implications of gas behavior in thermodynamic processes
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Students of chemistry, physicists, and anyone interested in the properties of gases and thermodynamics will benefit from this discussion.

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what is the degrees of freedom of helium gas ?

shouldn't helium gas be diatomic ? If so , it will be 5 .

i have problems differentiating monoatomic and diatomic . Though its obvious that mono is one atom and diatomic is 2 atoms . Is it possible to know whether its mono or diatomic from the periodic table ?
 
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Helium is monatomic and is called a "noble" gas for that reason. All gases in the same column below helium in the periodic table are noble gases.
 

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