Noble Gases

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by 43132Jones
Last updated 5 years ago

Chemical Elements

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Noble Gases

FACTSGroup 18 Nonmetals>Not reactive because thier outer energy level are full (8 valence electrons>Can be found in nature, but not in large quantities>Does not bond well>The abundance decreases as the atomic number increases>All are gases at room temperature

-Noble Gases-

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>THE NOTES>>>>>>



>Because helium is non-flammable it is much safer to use in balloons than hydrogen.>Krypton gets its name from the Greek word "kryptos" meaning "the hidden one.">Many of the noble gases were either discovered or isolated by Scottish chemist Sir William Ramsay.>Helium has the lowest melting and boiling points of any substance.>All of the noble gases except for radon have stable isotopes.>Neon signs do not use just neon gas, but a mixture of different noble gases and other elements to create bright lights of different colors.>Noble gases are often used to create a safe or inert atmosphere due to their stable nature.>Xenon gets its name from the Greek word "xenos" which means "stranger or foreigner.>Helium is the second most abundant element in the universe>All noble gases are colorless, odorless, and tasteless



Helium, neon, argon and krypton are used in decorative ligthing, called "neon" lights. Argon is used to fill incandescent light bulbs to increase bulb life. Xenon is used in electronic "flash tubes" for cameras and other flash tubes.

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