Dysprosium is a lanthanide with 66 electrons which is used in laser materials. Let us dig deep into the electronic configuration of Dy.

**The electronic configuration of Dy is [Xe]4f ^{10}6s^{2}. Electron per shell configuration comes out to be 2,8,18,28,8,2. Dy shows 0, +1, +2, +3, +4 oxidation states.**

Dy is a rare earth element that is in the solid phase at STP. In this article, we shall explore the electronic configuration of Dy.

**How to write dysprosium electron configuration**

**The electron configuration of Dy is 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{10}5d^{0}6s^{2}**

**which is written using the following steps**.

**which is illustrated as follows-**

**S orbital can have 2 electrons.****P orbital can have 6 electrons.****D orbital can have 10 electrons, and****F orbital can have 14 electrons.****Different orbitals can accommodate a certain number of electrons that are filled as per Aufbau’s principle, Pauli’s exclusion principle and Hund’s rule.**

**Dysprosium electron configuration diagram**

**The electronic configuration of Dy is 1s ^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{10}5d^{0}6s^{2}**

**which is drawn as follows-**

**Dysprosium electron configuration notation**

**The electronic configuration of Dy is 1s ^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{10}5d^{0}6s^{2} which is written in the following two ways-**

**[Xe]4f**^{10}6s^{2}with respect to noble gas Xenon, and**1s**^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{10}5d^{0}6s^{2}in terms of orbitals.

**Dysprosium unabbreviated electron configuration**

**The unabbreviated electron configuration of Dy is 1s ^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{10}5d^{0}6s^{2}.**

**Ground state dysprosium electron configuration**

**The ground state electron configuration of Dy is 1s ^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{10}5d^{0}6s^{2}.**

**The excited state of dysprosium electron configuration**

**The excited state electron configuration of Dy is 1s ^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{10}5d^{0}6s^{2}.**

**Ground state dysprosium orbital diagram**

**To draw the ground state orbital diagram, we follow the given steps- **

**Firstly, the orbitals are arranged in increasing order of energies.****Then the electrons are filled as per****Aufbau’s principle, Pauli’s exclusion principle and Hund’s rule.**The ground state orbital diagram of Dy where the electronic configuration is**1s**is drawn as follows-^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}4p^{6}4d^{10}5s^{2}5p^{6}4f^{10}5d^{0}6s^{2}

#### Conclusion

Dy is silvery white in appearance belonging to period 6 of the periodic table. Dy is a weakly basic oxide and was discovered by Lecoq de Boisbaudran. It is used in lasers, cement, dosimeters, and Dysprosium iodides are used in metal-halide lamps.