Meitnerium (Mt) — Element Properties, Uses & Facts
Overview
Meitnerium is a chemical element with symbol Mt and atomic number 109. It is an extremely radioactive synthetic element (an element not found in nature that can be created in a laboratory). The most stable known isotope, meitnerium-278, has a half-life of 7.6 seconds.
Electron configuration
The electron configuration of Meitnerium is *[Rn] 5f14 6d7 7s2, with electron shells of 2, 8, 18, 32, 32, 15, 2.
Physical and chemical properties
Meitnerium is classified as a transition metal. It has an atomic mass of 278 and exists as a solid at standard conditions.
Real-world uses of Meitnerium
As a transition metal, Meitnerium is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.
Interesting facts about Meitnerium
- Meitnerium has the atomic number 109 and chemical symbol Mt.
- It belongs to period 7, group 9 of the periodic table.
- Meitnerium was discovered by Gesellschaft für Schwerionenforschung.
Explore Meitnerium interactively
Want to compare Meitnerium with other elements or see it highlighted on the full table? Open the interactive periodic table and click on Mt to explore properties, trends, and neighboring elements. You can also test your knowledge with our periodic table quiz game.
What is Meitnerium used for?
As a transition metal, Meitnerium is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.
What is the atomic number of Meitnerium?
The atomic number of Meitnerium is 109, meaning it has 109 protons in its nucleus.
What is the electron configuration of Meitnerium?
The electron configuration of Meitnerium is *[Rn] 5f14 6d7 7s2.
Is Meitnerium a metal, nonmetal, or metalloid?
Meitnerium is classified as a transition metal.