35
Br
79.904
Bromine (Br)
Element 35 · Period 4 · Group 17
halogen
liquid at room temp
p-block
About Bromine
Only non-metal liquid at room temperature. Used in flame retardants and photography.
Physical Properties
Atomic Mass
79.904 u
State at 25°C
Liquid
Melting Point
-7.3 °C
Boiling Point
58.9 °C
Density
3.122 g/cm³
Magnetism
Diamagnetic
Atomic Properties
Electron Configuration
[Ar] 3d¹⁰ 4s² 4p⁵
Electron Shells
2, 8, 18, 7
Electronegativity
2.96
Atomic Radius
94 pm
Ionization Energy
1140 kJ/mol
Oxidation States
-1, +1, +3, +5
Discovery & History
Discovered By
Carl Jacob Löwig
Discovery Year
1826
Named By
Antoine Jérôme Balard
Name origin: Greek: bromos (stench)
Frequently Asked Questions
- Is Bromine a metal, nonmetal, or metalloid?
- Bromine is classified as a halogen.
- What state is Bromine in at room temperature?
- Bromine is a liquid at standard room temperature (25°C).
- What is the atomic mass of Bromine?
- Bromine has an atomic mass of 79.904 atomic mass units (u).
- Who discovered Bromine?
- Bromine was discovered by Carl Jacob Löwig in 1826.
- Where is Bromine on the periodic table?
- Bromine is element number 35, located in period 4 and group 17.