"Tg" is not an element, so it cannot be a noble gas.
Xe (Xenon)
Methane is the most common
No, it is a noble gas
Radon is a noble gas and is radioactive.
no. it is a molecule, not a noble gas
A noble gas is colorless.
Neon is a noble gas.
its a noble gas.
Argon is a noble gas
argon is a noble gas
Helium is a noble gas
A noble gas.
Yes. Helium is a noble gas.