Meitnerium (Mt): Properties, Uses and Facts in 3D

Meitnerium is element 109 on the periodic table, a transition metal. At room temperature it is expected to be a solid (too few atoms have ever been made to check). Open it in the 3D Periodic Table to spin its tile, see its electron shells and read its story.

Meitnerium (Mt) shown in the VisionVix 3D Periodic TableExplore in 3D
Meitnerium in the VisionVix 3D Periodic Table. Click the picture to open it live.

Meitnerium quick facts

Atomic number109
SymbolMt
Atomic mass278
CategoryTransition Metal
Group and periodGroup 9, period 7
Blockd-block
State at room temperatureSolid (expected)
Electron configuration[Rn] 5f¹⁴ 6d⁷ 7s²
Electrons per shell2, 8, 18, 32, 32, 15, 2
Discovered1982, Münzenberg

What is meitnerium used for?

  • Scientific research only
  • No practical applications
  • Nuclear physics

Interesting facts about meitnerium

  • Named after Lise Meitner. Who co-discovered nuclear fission and was denied the Nobel Prize
  • In 1966 Meitner became the first woman to share the US Enrico Fermi Award
  • Mt is one of several elements named in tribute to scientists overlooked during their lifetimes

Meitnerium was discovered in 1982 by Münzenberg in Germany.

Where meitnerium sits on the periodic table

Meitnerium is in group 9, period 7. Tap any element to open its page.

Previous element108. HassiumNext element110. Darmstadtium

Other transition metals

Meitnerium questions

What is the atomic number of meitnerium?

Meitnerium has atomic number 109, so every meitnerium atom has 109 protons in its nucleus. Its symbol is Mt and its atomic mass is 278.

Is meitnerium a metal?

Meitnerium is a metal. On the periodic table it is grouped as a transition metal, found in group 9, period 7.

What is the electron configuration of meitnerium?

The electron configuration of meitnerium is [Rn] 5f¹⁴ 6d⁷ 7s². Its electrons sit in 7 shells: 2, 8, 18, 32, 32, 15, 2.

What is meitnerium used for?

Meitnerium is used for scientific research only, no practical applications and nuclear physics.

Who discovered meitnerium?

Meitnerium was discovered in 1982 by Münzenberg in Germany.

The 3D Periodic Table is made by Julian Neagu, a solo founder in London, as part of VisionVix Simulators. It is free to use in the browser on desktop and phone, with no sign-up.