Inertness of noble gas was observed to be due to their electronic conf...
Noble gases have fully filled octet in their valence shell.
View all questions of this test
Inertness of noble gas was observed to be due to their electronic conf...
Noble gases are known for their inertness, which means they do not readily react with other elements. This characteristic of noble gases can be explained by their electronic configurations.
Electronic configurations refer to the arrangement of electrons in the energy levels or shells around an atom. Noble gases have a completely filled outermost shell, also known as the valence shell. The valence shell is the outermost shell of an atom that contains electrons involved in chemical bonding.
The noble gases have a stable electronic configuration with a full outermost shell. This stability arises from the fact that their outermost orbitals are fully filled. For example, helium (He) has two electrons in its valence shell, giving it a completely filled 1s orbital. Similarly, neon (Ne) has eight electrons in its valence shell, completely filling its 2s and 2p orbitals.
The stability of the noble gases arises from the principle known as the octet rule. According to this rule, atoms tend to gain, lose, or share electrons in order to achieve a stable configuration with eight electrons in their outermost shell, similar to the noble gases. Since the noble gases already have a full outermost shell, they do not need to gain, lose, or share electrons to achieve stability.
Because of their stable electronic configurations, noble gases do not readily form ions. Ions are formed when atoms gain or lose electrons to achieve a stable configuration. Since noble gases already have a stable configuration, they do not need to form ions.
In conclusion, the inertness of noble gases can be attributed to their fully filled outermost orbitals. This stable electronic configuration makes noble gases highly unreactive and explains their lack of tendency to form ions.
To make sure you are not studying endlessly, EduRev has designed Class 9 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 9.