Which are the noble gas elements ?

Which of the following noble gas element can readily form compounds with fluorine

Give the names of the noble gas elements present in the second and fifth period.

The most reactive noble gas element is

What are noble gas elements ? Why are they so called?

(A) Noble gas elements have very low melting and boiling points (R) The interatomic attractions in noble gas elements are weak dispersion forces.

The oxidation state of the noble gas element in xenon oxydifluoride [XeOF_2] is

Mention the noble gas element used in cancer therapy.