35 Br Bromine 79,904 u

Bromine

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Periode
4
Gruppe
17
Block
p-Block
Phase (STP)
Liquid

Bromine is one of only two elements that are liquid at room temperature. It is used in flame retardants, water treatment, and photography.

Erscheinungsbild: Reddish-brown liquid

Physikalische Eigenschaften

Atommasse 79.904 u
Dichte 3.1028 g/cm³
Schmelzpunkt -7.3 °C
Siedepunkt 58.9 °C
Phase bei STP Liquid
Atomradius 94.0 pm

Elektronische Eigenschaften

Elektronegativität 2.96
Ionisierungsenergie 1139.9 eV
Elektronenaffinität 324.6 eV
Valenzelektronen 7

Elektronenkonfiguration

Konfiguration [Ar] 3d¹⁰ 4s² 4p⁵

Electron Shell Configuration

Bromine electron shell configuration Br 2e⁻ 8e⁻ 18e⁻ 7e⁻

Position in Periodic Table

Bromine position in the periodic table Br

Entdeckung

Entdeckt von: Antoine Jerome Balard
Jahr: 1826

Compounds Containing Bromine

Mehr Halogen

Frequently Asked Questions

What is Bromine?
Bromine (Br) is a chemical element with atomic number 35. It is a liquid at standard temperature and pressure, classified as a halogen.
What are the key properties of Bromine?
Bromine has an atomic mass of 79.904 u, density of 3.1028 g/cm³, melting point of -7.3°C, boiling point of 58.9°C.
What is the electron configuration of Bromine?
The electron configuration of Bromine is [Ar] 3d10 4s2 4p5. It is in the p-block of the periodic table.
Who discovered Bromine?
Bromine was discovered by Antoine Jerome Balard in 1826.
What is the electronegativity of Bromine?
Bromine has an electronegativity of 2.96 on the Pauling scale.