Which element is classified as a noble gas at STP?

hydrogen
oxygen
neon
nitrogen


Sagot :

Neon is the only noble gas in this grouping. Noble gases are group 18 on the periodic table. 
Noen gas is a noble gas more examples are Helium, Argon, Xenon, Krypton and Radon, hey are found in the 18th group in the periodic table and they are the only element with full shell.