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Periodic Table Group 18, image - Coggle Diagram
Periodic Table Group 18
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Discovery
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Other Noble gases were isolated. William Ramsay isolated the gases and won a noble prize award for the same.
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Xenon, krypton, radon, helium, neon, and argon.
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All have 8 valence electrons, except helium, having 2 valence electrons
All of them are colorless, tasteless & odorless gases.
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There melting and boiling point is too low, Helium has the lowest melting point of any element
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Noble gases cannot be solidified by cooling alone, they also need pressure to help solidify it
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Uses
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Can be used to create visible
colourful, and bright advertising boards.
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