What is pseudo inert gas configuration

Question

Answer

An element with pseudo noble gas configuration has 18 electrons in the highest energy level instead of 8. For example, silver has e-configuration of [Ar]5s1 4d10. After losing 1 electron,it's configuration becomes [Ar]4d10 which is a pseudo noble gas configuration.It is also very stable.

Answer

when electronic configuration of valence shell electron is like inert gas configuration of transition metal like zn

Answer

Introduction
Pseudo inert gas configuration is a type of electron configuration seen in certain transition metal ions. It involves the filling of the d orbitals to create a stable electron configuration similar to that of a noble gas.

Explanation
In a typical electron configuration, the valence electrons of an atom occupy the highest energy level of the atom. However, in transition metals, the d orbitals can also be involved in bonding and can be filled with electrons. This can lead to a less stable electron configuration, as the electrons in the d orbitals are more exposed to the outside environment.

To create a more stable electron configuration, some transition metal ions can fill their d orbitals in a way that mimics the electron configuration of a noble gas. This is called a pseudo inert gas configuration.

Examples
One example of a pseudo inert gas configuration is seen in the ion Mn2+. The electron configuration of Mn2+ is [Ar] 3d5, which is not a stable electron configuration. However, if one electron from the 4s orbital is moved to fill one of the empty d orbitals, the electron configuration becomes [Ar] 3d5 4s1. This is a pseudo inert gas configuration, as it is similar to the electron configuration of Ar.

Another example is seen in the ion Cr3+. The electron configuration of Cr3+ is [Ar] 3d3, which is also not a stable electron configuration. However, if one electron from the 4s orbital and one electron from the 3d orbital are moved to fill two of the empty d orbitals, the electron configuration becomes [Ar] 3d6. This is a pseudo inert gas configuration, as it is similar to the electron configuration of Ar.

Conclusion
Pseudo inert gas configuration is a type of electron configuration that involves the filling of d orbitals in a way that mimics the electron configuration of a noble gas. This can lead to a more stable electron configuration for certain transition metal ions.

Answer

[Ar] 4s^2 ,3d^10 - Here 3d shell electron is like inert gas Ne so it is pseudo inert gas configuration

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