What Is The Least Reactive Family Of Elements?
Elements of the eighteenth group or eight(A) group of periodic table are the least reactive family of elements. These elements are known as noble gases. Noble gases are also called rare elements. There are six elements present in this group. These elements include helium, neon, argon, krypton, xenon and radon. The valence shells of noble gases are completely filled so, they are stable. They do not react easily with other atoms and mostly present as mono atomic gases.
