Why He is totally inert ? 

What is the total number of unpaired eletrons in inert gas ?

a. Why are alkanes inert ? b. Why the (C----C) bond rather than (C----H) bond breaks when alkanes are pyrolysed ? c. Why the combustion of alkanes does not occur at moderate temperature, although it is an exothermic process ?

Why the total energy of atomic electron is negative ?

Which among the following is kinetically inert towards water?

He and Be both have the same outer electronic configuration like ns^(2) type. Statement-2 : Both are chemically inert.

Assertion : He and Be have similar valence shell electronic cofiguration ns^(2) Reason :Both are chemically inert.

Why nitrogen gas is inert?

Why nitrogen is inert at room temperature ?

Nitrogen is relatively inert as compared to phosphorus. Why ?

The electronegativity of nitrogen and chlorine is 3.0 Why nitrogen is inert at room temperature , while chlorine is very reactive?