Meitnerium is an extremely radioactive synthetic element named after Lise Meitner. Let us understand the electron configuration of meitnerium through this article.

**Electron configuration of meitnerium is [Rn] 5f ^{14} 6d^{7} 7s^{2}. Meitnerium is denoted by symbol “Mt” and its atomic number is 109. ^{278}Mt is the most stable isotope of meitnerium having half-life period of 4.5 seconds. It is a synthetic element and can be created inside a laboratory.**

We will understand some important facts about meitnerium like orbital diagram, ground state electron configuration etc., in the article below.

**How to write meitnerium electron configuration?**

**Meitnerium contains 109 electrons and electron configuration of any element can be written by following the set of steps mentioned below:**

**According to Aufbau’s principle, electrons must be filled up with the order of increasing energy of orbitals available in an atom.****Pauli’s exclusion principle depicts that pairing of electrons will take place after each orbital contains at least 1 electron.****Spins of electrons in a particular orbital will be in accordance with Hund’s rule.**

**Meitnerium electron configuration diagram**

**According to this electron configuration diagram, the electron configuration of meitnerium can be explained easily. The orbitals are filled in their increasing order of energies.**

**Meitnerium electron configuration notation**

**The electron configuration notation for Mt is [Rn] 5f ^{14} 6d^{7} 7s^{2}**.

**Meitnerium unabbreviated electron configuration**

**The unabbreviated electron configuration for meitnerium is 1s ^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 3d^{10} 4s^{2} 4p^{6} 4d^{10} 5s^{2} 5p^{6} 4f^{14} 5d^{10} 6s^{2} 6p^{6} 5f^{14} 6d^{7} 7s^{2}**.

**Ground state meitnerium electron configuration**

**The ground state electron configuration for meitnerium is 1s ^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{2 }3d^{10} 4p^{6} 5s^{2} 4d^{10} 5p^{6} 6s^{2} 4f^{14} 5d^{10} 6p^{6} 7s^{2} 5f^{14} 6d^{7}**.

**Excited state of meitnerium electron configuration**

**The excited state of meitnerium electron configuration is 1s ^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{2 }3d^{10} 4p^{6} 5s^{2} 4d^{10} 5p^{6} 6s^{2} 4f^{14} 5d^{10} 6p^{6} 7s^{2} 5f^{14} 6d^{5}. **

**Ground state meitnerium orbital diagram**

**Orbital diagram of meitnerium explains that all the orbitals that is s, p & f are filled with their full capacity but only 6d orbital have 7 electrons but it can hold up to 14 electrons in it.**

**Conclusion:**

This article concludes that meitnerium is a very heavy and unstable synthetic radioactive element with a half-life period of only some seconds. It can be prepared in laboratory to perform certain chemical reactions.