Yes. Helium is a noble gas.
No, helium is not a compound. It is a monatomic gas, meaning it consists of single atoms of helium.
because it is a noble gas and has completely filled orbital (s orbital)
The noble gases
hellium
Because these gases have the valence electron shell completely filled and they are very unreactive.
Helium belongs to the family of the 'noble gases'
It is a gas.
it is made of hellium gaz
hellium is a gas that makes light objects float e.g. balloons
Mercury has no atmosphere, so there is no gas present inside it.
No, it is a noble gas
He. Helium is a noble gas, meaning it is inert and cannot bond with any other atom.