Zirconium Electron Configuration:(Explained for Beginners)

The electronic configuration is of electrons around the nucleus of an atom through specific orbitals. Let us discuss about electron configuration of Zirconium.

The electronic configuration of Zirconium is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 4d2 Zirconium is the chemical element with the symbol Zr and the electrons per energy level is 2,8,18,10,2. Zr element has a simple hexagonal structure and situated in group 4 in the periodic table.

We will be discussing some interesting topics about zirconium electron configuration, configuration diagram, notation, unabbreviated electron configuration, ground state and excited state electron configurations etc.

How to write zirconium electron configuration

The electronic configuration of the distribution of electrons is filled in the atomic orbitals as per the rules determined by

  • The Aufbau principle states that electrons can be occupying around the orbitals in the order of lower energy orbitals will be first and then higher energy orbitals.
  • Hund’s rule states that in a given subshell, every orbit will fill one electron at first and then the second electron will be filled in an orbital.
  • Thus the electronic configuration of Zr is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 4d2

Zirconium electron configuration diagram

Zirconium electron configuration is [Kr] 4d2 5s2, where the distribution of electrons is as follows

  • S orbit can hold 2 electrons maximum,
  • P orbit can hold 6 electrons maximum,
  • D orbital can hold 10 electrons maximum and
  • F orbital can hold 14 electrons maximum
mnemonicZirconium 1
Electron configuration diagram via Aufbau principle

Zirconium electron configuration notation

Zirconium electron configuration notation is [Kr] 4d2 5s2

Zirconium unabbreviated electron configuration

Unabbreviated electron configuration of Zr is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d2 5s2

Ground state zirconium electron configuration

Ground state electronic configuration of Zr is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 4d2.

Excited state of zirconium electron configuration

The excited state electron configuration of Zr is [Kr] 5s1 4d3

Ground state zirconium orbital diagram

The ground state electron configuration of Zr is [Kr] 4d2 5s2. The orbital diagram is drawn below, which represents the electrons distribution over energy levels as listed below,

  • The electron holding capacity of each shell is 2n2 so the 1st energy level K shell can hold a maximum of 2 electrons.
  • The 2nd energy level L shell can hold a maximum of 8 electrons.
  • The 3rd energy level M shell can hold a maximum of 18 electrons.
  • The 4th energy level N shell can hold a maximum of 10 electrons.
  • The 5th energy level O shell can hold a maximum of 2 electrons.
Zirconium Orbital Diagram 2z 1
Ground state Zirconium orbital diagram

Zirconium 2+ electron configuration

Zr2+ electron configuration is [Kr] 5s0 4d2 where electrons are removed from the total valance charge by removing electrons first from the S orbital.

Zr4+ electron configuration

The electronic configuration of Zr 4+ is [Kr] 5s0 4d0 where zirconium atom removes 4 electrons from its valance shell and forms a Zr 4+ ion.

Zr – 4e → Zr4+

Conclusion

Zirconium is the 40 th element and 4th group in the periodic table. Zirconium has a total of 4 valance electrons in its orbit. Zirconium is a silver–grey transition metal and a very strong element. Zr is malleable and ductile, and it easily forms stable compounds.

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