Question

Nobel gases belongs to P block of period table why?​

Answer 1

Explanation:

The reason why Helium is considered a noble gas is because its outermost (and at the same time only) shell is fully occupied by its 2 electrons. When you look at the electron configurations in the PTE you can see that the first element which happens to have an occupied p-orbital is boron.

Answer 2

Answer:

then nobel gasses weren't discover..