Question

helium belongs to which group​

Answer 1

Answer:

Helium which is an inert gas belongs to 18th group of modern periodic table.

Helium is the smallest inert gas .

Its atomic number is 2.

lts atomic mass is 4.

lt is the first member of 18th group.

lts period number is 1.

Electronic configuration is

$1 {s}^{2}$

lt is the first member of inert gas family .

lts valence shell is fully filled .