Brom (Br)

General Properties

Symbol Br
Atomic Number 35
Atomic Weight 79.904
Group
17 (fluorine family)
VIIB (IUPAC), VIIA (CAS)
Liquid, Diamagnetic, Insulator, Halogen, Nonmetal, Stable, Natural
Period 4
Block p

Physical Properties

Density 3.12 g/cm3
Atomic Volume 23.5 cm3/mole
Atomic Radius 1.12 angstroms
Covalent Radius 114 pm
Crust Abundance 0.0003%
Crystal Structure Orthorhombic
Color Red

Energy

Electronegativity 3.0 (Pauling Scale)
Electron Affinity 324.6 kJ/mol
1st Ionization Energy 1140 kJ/mol
2. Ionization Energy 2103 kJ/mol
3. Ionization Energy 3470 kJ/mol
4. Ionization Energy 4560 kJ/mol
5. Ionization Energy 5760 kJ/mol
6. Ionization Energy 8550 kJ/mol
7. Ionization Energy 9940 kJ/mol
8. Ionization Energy 18600 kJ/mol
Specific Heat Capacity 0.226 J g−1 K−1
Thermal Conductivity 0.122 W·m−1·K−1

Electrons & Oxidation

Oxidation States ±1,+5
Electrons Per Shell 2 8 18 7
Electron Configuration [Ar] 4s2 3d10 4p5
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
Orbital Diagram
1s
↿⇂
2s
↿⇂
2p
↿⇂
↿⇂
↿⇂
3s
↿⇂
3p
↿⇂
↿⇂
↿⇂
3d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4s
↿⇂
4p
↿⇂
↿⇂
↿ 
4d
 
 
 
 
 
4f
 
 
 
 
 
 
 

Nuclear

Radioactive No

Media

Planetary Bohr Model of Brom (Br)
Lewis Dot Diagram of Brom (Br)
Description
Redish-brown liquid.
Uses
It was once used in large quantities to make a compound that removed lead compound build up in engines burning leaded gasoline. Now it is primarily used in dyes, disinfectants, and photographic chemicals.
Sources
Occurs in compounds in sea water.
Pronounciation (English)
BRO-meen

Translations

Afrikaans Broom
Aragonese Bromo
العربية بروم
Armãneashte Bromu
asturianu Bromu
azərbaycan dili Brom
български Бром
বাংলা ব্রোমিন
brezhoneg Brom
bosanski Brom
Byelorussian Бром
Cebuano Bromo
čeština Brom
Chuvash Бром
Cymraeg Brom
dansk Brom
Deutsch Brom
Ελληνικά Βρωμιο
English Bromine
esperanto Bromo
español Bromo
eesti Broom
euskara Bromoa
فارسی برم
suomi Bromi
føroyskt Brom
français Brome
furlan Brom
West-Frysk Broom
Gaeilge Bróimín
Gàidhlig Bròimin
galego Bromo
ગુજરાતી બ્રોમિનનો
Gaelg Bromeen
Hakka Chinese Tshiù (溴)
עברית ברום
हिन्दी ब्रोमिन
hrvatski Brom
magyar Bróm
հայերեն Բրոմ
Indonesia Brom
íslenska Bróm
italiano Bromo
日本語 臭素
ქართული ბრომი
کٲشُر Bróm
қазақ тілі Бром
한국어 브롬, 2브로민
Kurdish Brom
Komi Бром
kernewek Bromyn
кыргызча Бром
Latin Bromium
Lëtzebuergesch Brom
Lombard Bròom
lingála Bomo
lietuvių Bromas
latviešu Broms
Mari Бром
Maori Pūkane
македонски Бром
മലയാളം ബ്രോമിന്‍
монгол Бром
Мокшан Брома
Bahasa Melayu Bromin, ²Brom
Malti Bromin, ²Bromu
Nahuatl Bromo
Nederlands Broom
norsk Brom
Occitan Bròm
ирон Бром
polski Brom
português Bromo
Runasimi Bromu
română Brom
русский Бром
slovenčina Bróm
slovenščina Brom
Samoan Bromimi
Samogitian Bruoms
shqip Brom
српски Бром
Southern Sotho Bromini
svenska Brom
Kiswahili Bromi
தமிழ் புரோமின்
Tajik Бром
ไทย โบรมีน
Türkçe Brom
ئۇيغۇرچە بروم
українська Бром
o‘zbek Brom
Tiếng Việt Brom
Võro Bruum
中文

History

Discovered In
1826
Discovered By
Antoine-J. Balard
Discovered At
France
Word Origin
From the Greek word "bromos" meaning "stench"