Bohrium (Bh)

General Properties

Symbol Bh
Atomic Number 107
Atomic Weight (272)
Group
7 (manganese family)
VIIA (IUPAC), VIIB (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 13 2
Electron Configuration [Rn] 5f14 6d5 7s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 5f14 6d5 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 1.5 h
Lifetime 2.17h
Decay Alpha Emission

Media

Planetary Bohr Model of Bohrium (Bh)
Description
Synthetic radioactive metal.
Uses
It has no significant commercial applications.
Sources
Obtained by bombarding bismuth-204 with chromium-54.
Pronounciation (English)
neels-BOR-i-em

Translations

Afrikaans Bohrium
Aragonese Borio
العربية بوريوم
Armãneashte Boriumu
asturianu Bohriu
azərbaycan dili Borium
български Борий
বাংলা বোহরিয়াম
brezhoneg Boriom
bosanski Bohrij[um]
Byelorussian Борый
Cebuano Bohryo
čeština Bohrium
Chuvash Бори
Cymraeg Bohri
dansk Bohrium
Deutsch Bohrium
Ελληνικά Μπόριο
English Bohrium
esperanto Borio
español Bohrio
eesti Bohrium
euskara Bohrio
فارسی بوریم
suomi Bohrium
føroyskt Bohrium
français Bohrium
furlan Bohri
West-Frysk Bohrium
Gaeilge Bóiriam
Gàidhlig Boiriam
galego Bohrio
ગુજરાતી બોરિયમનો
Gaelg Bohrium
Hakka Chinese --
עברית בוהריום
हिन्दी बोरियम
hrvatski Bohrij
magyar Borium
հայերեն Բորիում
Indonesia Bohrium
íslenska Bohrín
italiano Bohrio
日本語 ボーリウム
ქართული ბორიუმი
کٲشُر Bòhr
한국어 보륨
Kurdish Bohriyûm
Komi Борий
kernewek Bohryum
Latin Bohrium
Lëtzebuergesch Bohrium
Lombard Bohri
lingála Bohlu
lietuvių Boris
latviešu Borijs
Mari Борий
Maori Bohrium
македонски Бориум
മലയാളം ബോറിയം
монгол Бори
Bahasa Melayu Bohrium
Malti Bohrju
Nahuatl Bohrio
Nederlands Bohrium
norsk Bohrium
Occitan Bòhri
polski Bohr
português Bóhrio
Runasimi Bohriyu
română Bohriu
русский Борий
slovenčina Bohrium
slovenščina Borij
Samoan Burimi
Samogitian Buoris
shqip Borium, ²Bohriumi
српски Боријум
Southern Sotho Bohriamo
svenska Bohrium
Kiswahili Bohri
தமிழ் --
Tajik Борий
ไทย มอหเรียม
Türkçe Bohriyum
українська Борій
o‘zbek Boriy
Tiếng Việt Bohri
Võro Bohrium
中文 金波

History

Discovered In
1981
Discovered By
Peter Armbruster, Gottfried Münzenber and their co-workers.
Discovered At
Gesellschaft für Schwerionenforschung (GSI) in Darmstadt, Germany.
Word Origin
The origin of the name is Niels "Bohr", the Danish physicist.