Noble gases

Edited by Jamie (ScienceAid Editor), Taylor (ScienceAid Editor)

the noble gases

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The Structure of Noble Gases

Noble gases are in group 0 on the periodic table. This means they have a full outer electron field, making them nonreactive. This also means they are monatomic, they do not join with other elements that are the same, but are single and alone. As you move down the table, the density and the boiling point of the gases increase.

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Uses of Noble Gases

  1. 1
    Helium.
    Probably the most famous noble gas is Helium, (the gas used in balloons). It floats due to the fact it is less dense than air, so rises above it. Helium is completely safe as it is unreactive, however, the densities increase as you go down the group.
    a diagram to show in which direction different balloons filled with noble gases would move.
    In the diagram, 5 balloons have been filled with the different noble gases, and then released from the same point. It shows how high the balloons will rise based on their varying densities. Another thing helium can do is make your voice become very high-pitched if breathed in. However, if you were to breathe in a gas that is denser than air, not recommended, the voice would sound deeper in pitch.
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  2. 2
    Neon.
    Neon is used inside those bright advertising tubes you see in Las Vegas for example. When a current is passed through the gas it glows bright colours.
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  3. 3
    Argon, Krypton and Xenon.
    All three of these noble gases are used in light bulbs of varying sorts and uses. The reason these gasses are used is because they will not react from the heat produced by the bulb. Otherwise we would have exploding light bulbs.
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Categories : Inorganic

Recent edits by: Jamie (ScienceAid Editor)

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