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Introduction to Noble Gases

write the nam...

Question

write the name and atomic number of six noble gases which were known since long.Also write IUPAC name of the recently discovered noble gases. which of these 7 noble gases are expected to be raioactive.?

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Solution

Helium, He - 2
Neon, Ne - 10
Argon, Ar - 18
Krypton, Kr - 36
Xenon, Xe - 54
Radon, Rn - 86

Ununoctium is newly discovered noble gas, atomic number - 118.
Radon is radioactive.

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