Meitnerium (Mt)

General Properties

Symbol Mt
Atomic Number 109
Atomic Weight (278)
Group
9 (cobalt family)
VIIIA (IUPAC), VIII (CAS)
Transition Metal, Metal, Radioactive, Synthetic
Period 7
Block d

Physical Properties

Density --
Atomic Volume cm3/mole
Atomic Radius --
Covalent Radius --
Crust Abundance None
Crystal Structure Unknown

Energy

Electronegativity (Pauling Scale)
Electron Affinity --
1st Ionization Energy --
Specific Heat Capacity J g−1 K−1
Thermal Conductivity W·m−1·K−1

Electrons & Oxidation

Oxidation States
Electrons Per Shell 2 8 18 32 32 15 2
Electron Configuration [Rn] 5f14 6d7 7s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 5f14 6d7 7s2
Orbital Diagram
1s
↿⇂
2s
↿⇂
2p
↿⇂
↿⇂
↿⇂
3s
↿⇂
3p
↿⇂
↿⇂
↿⇂
3d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4s
↿⇂
4p
↿⇂
↿⇂
↿⇂
4d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4f
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
5s
↿⇂
5p
↿⇂
↿⇂
↿⇂
5d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
5f
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
6s
↿⇂
6p
↿⇂
↿⇂
↿⇂
6d
↿⇂
↿⇂
↿ 
↿ 
↿ 
6f
 
 
 
 
 
 
 
7s
↿⇂
7p
 
 
 
7d
 
 
 
 
 
7f
 
 
 
 
 
 
 

Nuclear

Radioactive Yes
Half Life 30 m
Lifetime 43.3m
Decay Alpha Emission

Media

Planetary Bohr Model of Meitnerium (Mt)
Description
Synthetic radioactive metal.
Uses
It has no significant commercial applications.
Sources
Obtained by bombarding bismuth-209 with iron-58.
Pronounciation (English)
MITE-ner-i-um

Translations

Afrikaans Meitnerium
Aragonese Meitnerio
العربية مايتنريوم
Armãneashte Meitneriumu
asturianu Meitneriu
azərbaycan dili Meitnerium
български Майтнерий
বাংলা মিটনেরিয়াম
brezhoneg Meitneriom
bosanski Meitnerij[um]
Byelorussian Мейтнерый
Cebuano Meitneryo
čeština Meitnerium
Chuvash Мейтнери
Cymraeg Meitneri
dansk Meitnerium
Deutsch Meitnerium
Ελληνικά Μαϊτνέριο
English Meitnerium
esperanto Mejtnerio
español Meitnerio
eesti Meitneerium
euskara Meitnerio
فارسی میتنریم
suomi Meitnerium
føroyskt Meitnerium
français Meitnérium
furlan Meitneri
West-Frysk Meitnerium
Gaeilge Meitneiriam
Gàidhlig Mèitneiriam
galego Meitnerio
ગુજરાતી માઇટ્નીરિયમનો
Gaelg Meitnerium
Hakka Chinese --
עברית מיטנריום
हिन्दी मेइट्नेरियम
hrvatski Meitnerij
magyar Meitnerium
հայերեն Մայտներիում
Indonesia Meitnerium
íslenska Meitnerín
italiano Meitnerio
日本語 マイトネリウム
ქართული მეიტნერიუმი
کٲشُر Meitner
한국어 마이트너륨
Kurdish Meitneriyûm
Komi Майтнерий
kernewek Meytneryum
Latin Meitnerium
Lëtzebuergesch Meitnerium
Lombard Meitneri
lingála Meitenu
lietuvių Meitneris
latviešu Meitnērijs
Mari Майтнерий
Maori Meitnerium
македонски Мајтнериум
മലയാളം മെയ്റ്റ്നേറിയം
монгол Мейтнери
Bahasa Melayu Meitnerium
Malti Meitnerju
Nahuatl Meitnerio
Nederlands Meitnerium
norsk Meitnerium
Occitan Meitnèri
polski Meitner
português Meitnério
Runasimi Meitneryu
română Meitneriu
русский Майтнерий
slovenčina Meitnerium
slovenščina Majtnerij
Samoan Meytnerimi
Samogitian Mėitneris
shqip Majtnerium, ²Meitneriumi
српски Мајтнеријум
Southern Sotho Meitneriamo
svenska Meitnerium
Kiswahili Meitneri
தமிழ் மீட்நேரியம்
Tajik Мейтнерий
ไทย ไมต์นีเรียม
Türkçe Meitneriyum
українська Майтнерій
o‘zbek Meytneriy
Tiếng Việt Meitneri
Võro Meitneerium
中文 金麥

History

Discovered In
1982
Discovered By
Peter Armbruster, Gottfried Münzenber and their co-workers.
Discovered At
Gesellschaft für Schwerionenforschung (GSI) in Darmstadt, Germany.
Word Origin
Named after Lise "Meitner", the Austrian physicist