Noble gases are monoatomic. The noble gases are monatomic gases as they are unreactive in nature which is a property of these gases.
What are noble gases?
The noble gases, also known as the inert gases and the aerogens, are the elements that belong to group 18 of the modern periodic table.
Why noble gases are monoatomic?
Noble gases are monoatomic because they have a complete octet and a stable electronic configuration, which makes them highly stable and do not react with others to form compounds in standard temperature and pressure conditions.