what is the name given to the outlined group of elements on the periodic table?

what is the name given to the outlined group of elements on the periodic table?
Answer
Brief Explanations:
The elements in the outlined group (He, Ne, Ar, Kr, Xe, Rn) are known as noble - gases. They are characterized by having a full outer electron shell, which makes them very stable and unreactive under normal conditions.
Answer:
Noble - gases