Question

Why do you think that noble gases are placed in a separate group?

Answer 1

Noble gases like He, Ne, Kr, Xe and Rn are placed in a separate group because of the following reasons: They are extremely unreactive. They donot combine with any other element of the periodic table.

#F9 OR NOT

@SNEHASINGH

Answer 2

noble gases means which does react with any gas like neon they are stable and they won't gain or loss any electron