Question

Argon,nion,helium etc are called what and why

Answer 1

hey mate here is your answer :

They are called elements of periodic table...as they are made up of only one type of atom..
hope it helps! ♥

Answer 2

HEY MATE HERE IS UR ANSWER .
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$argon \: neon \: helium \: are \: known \: as \\ \: inert \: or \: noble \: gases \: \: \: \ \: gases \: because \: their \: outermost \\ \: shell \: (octet)is \: completed \: hence \\ \: they \: cannot \:react \\ \: with \: any \: other \: elements$
HOPE IT IS CORRECT..
AND HELPS U..