Molecular nitrogen is very inert chemically. Why ?

Why nitrogen gas is inert?

Nitrogen is inert because of

Nitrongen and chlorine have same electronegativity (3.0). Molecular nitrogen is inert at room temperature while chlorine is highly reactive. How will you account for it ?

Nitrogen is chemically inert due to

Why is nitrogen gas very unreactive ?

Why is nitrogen molecule chemically less active ?

Why nitrogen is inert at room temperature ?