Br

Bromine · element 35

Diatomic Nonmetal · Liquid at room temperature

Bromine (from Ancient Greek:βρῶμος, brómos, meaning "stench") is a chemical element with symbol Br, and atomic number 35. It is a halogen. The element was isolated independently by two chemists, Carl Jacob Löwig and Antoine Jerome Balard, in 1825–1826.

  See Bromine as a bubble   Play the Pop Quiz
99.5 % pure liquid Bromine in a 4 x 1 cm big glass ampoule, cast in acrylic
99.5 % pure liquid Bromine in a 4 x 1 cm big glass ampoule, cast in acrylic - Jurii, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/bromine.php

Key facts

Atomic mass
79.904 u
how heavy one atom is
Phase (room temp.)
Liquid
Density
3.1028 g/cm³
how tightly packed it is
Melting point
265.8 K (-7 °C)
when solid turns to liquid
Boiling point
332 K (59 °C)
when liquid turns to gas
Period
4
its row in the periodic table
Group
17
its column in the periodic table
Block
P-block
the neighbourhood it lives in
Electronegativity
2.96
how strongly it pulls electrons
Electron configuration
[Ar] 3d10 4s2 4p5
where its electrons live
Shells
2 · 8 · 18 · 7
electrons in each layer, inside to out
Discovered by
Antoine Jérôme Balard
who found it

Source: Wikipedia

← SeleniumKrypton →

Privacy