Noble Gases: Trends and Patterns

Edited by SarMal, Sharingknowledge

On the right hand column of the periodic table, you will see elements in group 0. These are called noble gases and all of them are non-reactive or inert.


The elements considered noble gasses are:

  • Helium (He)
  • Neon (Ne)
  • Argon (Ar)
  • Krypton (Kr)
  • Xenon (Xe)
  • Radon (Rn)
  • Oganesson (Og)

The nobel gases have high ionization energy and very low electron affinity. Because of this, they considered non-reactive. With the exception of helium, the noble gases all have s and p electron coverings and are unable to easily create chemical compounds.

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Shared Patterns


Noble gases all have similar properties that include:

  • They are all considered non-metals.
  • They are all colorless.
  • They are all monatomic.
  • They are all non-reactive.

Because they are non-reactive and chemically inert, the noble gases have the largest ionization energies.

Noble Gases: Trends

Noble gases also have shared trends that change (either increasing or decreasing) as you move down the noble gas column of the periodic table.

  1. 1
    The noble gases have weak van Der Waals forces within their atoms
    .
    This is because the atoms increase in size moving down the column.
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  2. 2
    As non-metals, the noble gases have low boiling points
    .
    The boiling points increase moving down the column.
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  3. 3
    Atomic mass increases moving down the column
    .
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  4. 4
    The density of the noble gases also changes moving down the column
    .
    Helium has the lowest density while Radon is the densest gas. This increase relates to the increase in atomic mass moving down the column.
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  5. 5
    The increase of interatomic forces moving down the column also increases the melting point of each gas moving down the column
    .
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  6. 6
    Because of the electron covering on all the noble gases except helium, their electrons generally remain the same
    .
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  7. 7
    As the radius increases moving down the column the potential for ionization decreases
    .
    This is because the electrons in bigger noble gases are located away from the nucleus and held less tightly by the atom.
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  8. 8
    Compared to other elements, the noble gases have very low boiling and melting points
    .
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Noble Gases: Trends and Patterns. (2017). In ScienceAid. Retrieved Aug 21, 2018, from https://scienceaid.net/Noble_Gases:_Trends_and_Patterns

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Recent edits by: SarMal

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