Full Profile
Fast Revision Mode
35 Br
Element Revision Sheet

Bromine (Br)

Halogens Block P Group 17 • Period 4
Superhero Identity

"The Stench, a fuming liquid hero who is one of only two liquid elements at room temperature."

A memorable persona to anchor Br in your mind.

Density

3.12

Grams per cm³

Melting Point

-7.2

Celsius (°C)

Atomic Radius

183

Radius (pm)

Everyday Connection

Daily Life Link

Bromine is found as an ingredient in flame retardants used in plastics and furniture.

Discovery & History

Year Discovered

1826

Discovered By

Antoine Jérôme Balard

Origin of Name

"The name comes from the Greek ''bromos'' meaning stench."

Technical Properties

Atomic Mass

79.904 u

Standard State

liquid

Boiling Point

58.8°C

Electron Configuration

[Ar] 3d104s24p5

1st Ionization Energy

11.814 eV

Electron Affinity

N/A

Oxidation States

[+5 +1 -1]
Appearance

"Bromine is a dense, reddish-brown, volatile liquid."

Did You Know?

1

It is one of only two elements on the periodic table that are liquid at room temperature (the other is mercury).

2

Its name comes from the ancient Greek word 'brómos', which means 'stench', because of its strong, bleach-like, unpleasant odor.

3

Bromine is a dark, reddish-brown liquid that readily evaporates into a similarly colored gas.

4

It is found naturally in seawater and brine pools, from which it is commercially extracted.

Ready to Test Your Knowledge?