Bromine
aspect 35 of periodic table is Bromine through atomic number 35, atomic load 79.904. Bromine, prize Br, has a Base focused Orthorhombic structure and Red color. Bromine is a halogens element. Trivial name of Bromine is halogens*. Understand everything about Bromine Facts, physics Properties, chemical Properties, digital configuration, Atomic and also Crystal Structure.

Bromine (from old Greek:βρῶμος, brómos, an interpretation "stench") is a chemical aspect with symbol Br, and atomic number 35. The is a halogen. The facet was isolated individually by 2 chemists, Carl Jacob Löwig and also Antoine Jerome Balard, in 1825–1826.
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Bromine Facts
Read an essential information and also facts around element Bromine
surname | Bromine |
atom Number | 35 |
atomic Symbol | Br |
Atomic load | 79.904 |
phase | Liquid |
color | Red |
Classification | halogens |
group in routine Table | 17 |
Group Name | fluorine family |
duration in periodic Table | 4 |
Block in periodic Table | p-block |
Electronic Configuration | |
Melting allude | -7.3 °C |
Boiling allude | 59 °C |
Electronic covering Structure | <2, 8, 18, 7> |
CAS Number | CAS7726-95-6 |
How to locate Bromine on routine Table
Periodic table is i ordered it by atomic number, variety of protons in the nucleus i beg your pardon is same as variety of electrons. The atom number boosts from left come right. Regular table starts at top left ( atom number 1) and also ends in ~ bottom appropriate (atomic number 118). As such you can straight look because that atomic number 35 to find Bromine on regular table.
Another method to read regular table and locate an aspect is through using group number (column) and duration number (row). To find Bromine on routine table look for cross section of group 17 and period 4 in the modern-day periodic table.
explore Interactive regular Table come Understand and Learn Cool patterns
Table of Contents
History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbit Properties
Chemical Properties
Isotopes
Health and also Safety Parameters and Guidelines
Databases
Compare Bromine with various other elements
Bromine History
The aspect Bromine was discovered by Antoine Jérôme Balard in year 1826 in France . Bromine acquired its surname from the Greek bromos, definition "stench"
Bromine Presence: abundance in Nature and Around Us
The table listed below shows the variety of Bromine in Universe, Sun, Meteorites, Earth"s Crust, Oceans and Human Body.
diversity in world | 7×10-7% |
diversity in sun | N/A |
abundance in Meteorites | 1.2e-06 |
Abundance in Earth"s late | 3e-06 |
variety in seas | 6.7e-05 |
variety in human beings | 2.9e-06 |
Crystal framework of Bromine
The heavy state structure of Bromine is Base centered Orthorhombic.
The decision structure deserve to be defined in regards to its unit Cell. The unit cells repeats chin in 3 dimensional an are to form the structure.
Unit cell Parameters
The unit cabinet is represented in terms of its lattice parameters, which room the lengths that the cabinet edges Lattice Constants (a, b and c)
672.65 | 464.51 | 870.23 pm |
and the angles between them Lattice angle (alpha, beta and also gamma).
π/2 | π/2 | π/2 |
The location of the atoms inside the unit cell are described by the collection of atomic positions ( xi, yi, zi) measured native a reference lattice point.
The symmetry properties of the decision are described by the principle of space groups. All possible symmetric kinds of particles in three-dimensional room are explained by the 230 space groups (219 distinctive types, or 230 if chiral copies are considered distinct.
room Group surname | Cmca | ![]() |
room Group Number | 64 | |
Crystal framework | Base focused Orthorhombic |
Bromine Atomic and Orbital Properties
Bromine atoms have actually 35 electrons and the electronic shell structure is <2, 8, 18, 7> with Atomic hatchet Symbol (Quantum Numbers) 2P3/2.
atom Number | 35 |
Number of electron (with no charge) | 35 |
Number the Protons | 35 |
Mass Number | 80 |
Number of Neutrons | 45 |
Shell framework (Electrons per energy level) | <2, 8, 18, 7> |
Electron configuration | |
Valence Electrons | 4s2 4p5 |
Oxidation State | -1 1;3;4;5;7 |
Atomic ax Symbol (Quantum Numbers) | 2P3/2 |
Shell structure of Bromine - electrons per energy level

Ground State digital Configuration that Bromine - neutral Bromine atom
The soil state electronic configuration of Neutral Bromine atom isSee more: How Many Yards In 120 Inches, How Many Yards Are 120 Inches
Unabbreviated electronic configuration the neutral Bromine
Complete floor state digital configuration because that the Bromine atom, Unabbreviated electronic configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5
Atomic framework of Bromine
Bromine atomic radius is 94 pm, while it"s covalent radius is 114 pm.
atomic Radius | 94 afternoon (0.94 Å) |
Atomic Volume | 25.6102564103 cm3 |
Covalent Radius | 114 afternoon (1.14 Å) |
van der Waals Radius | 185 pm |
ghost Cross section | 6.8 σa/barns |
Atomic Spectrum the Bromine

Bromine chemistry Properties: Bromine Ionization Energies and also electron affinity
The electron affinity of Bromine is 324.6 kJ/mol
Valence | 5 |
Electronegativity | 2.96 |
ElectronAffinity | 324.6 kJ/mol |
Ionization energy of Bromine
Refer to table below for Ionization energies that Bromine
1 | 1139.9 |
2 | 2103 |
3 | 3470 |
4 | 4560 |
5 | 5760 |
6 | 8550 |
7 | 9940 |
8 | 1.86×104 |
Bromine physics Properties
Refer to below table because that Bromine physical Properties
thickness | 3.12 g/cm3 |
Molar Volume | 25.6102564103 cm3 |
Elastic Properties
Young Modulus | N/A |
Shear Modulus | N/A |
bulk Modulus | 1.9 GPa |
Poisson proportion | N/A |
Hardness that Bromine - exam to measure of Hardness that Element
Mohs Hardness | N/A |
Vickers Hardness | N/A |
Brinell Hardness | N/A |
Bromine electric Properties
Bromine is Insulator that electricity. Refer to table below for the electrical properties of Bromine
electric Conductivity | 1×10-10 S/m |
Resistivity | 1×1010 m Ω |
Superconducting suggest | N/A |
Bromine Heat and Conduction Properties
heat Conductivity | 0.12 W/(m K) |
Thermal development | N/A |
Bromine Magnetic Properties
Magnetic form | Diamagnetic |
Curie allude | N/A |
fixed Magnetic Susceptibility | -4.9×10-9 |
Molar Magnetic Susceptibility | -7.83×10-10 |
Volume Magnetic Susceptibility | -1.53e-05 |
Optical nature of Bromine
Refractive table of contents | 1.001132 |
Acoustic nature of Bromine
speed of Sound | N/A |
Bromine heat Properties - Enthalpies and thermodynamics
Refer to table below for thermal properties that Bromine
Melting point | 265.8 K (-7.3 °C) |
Boiling allude | 332 K (59 °C) |
an important Temperature | 588 K |
Superconducting suggest | N/A |
Enthalpies the Bromine
warmth of combination | 5.8 kJ/mol |
warm of Vaporization | 14.8 kJ/mol |
warm of burning | N/A |
Bromine isotopes - nuclear Properties the Bromine
Isotopes of rhodium. Naturally emerging Bromine has 2 steady isotope - 79Br, 81Br.
67Br | ||||
68Br | ||||
69Br | ||||
70Br | ||||
71Br | ||||
72Br | ||||
73Br | ||||
74Br | ||||
75Br | ||||
76Br | ||||
77Br | ||||
78Br | ||||
79Br | 50.69% | secure | N/A | |
80Br | ||||
81Br | 49.31% | secure | N/A | |
82Br | ||||
83Br | ||||
84Br | ||||
85Br | ||||
86Br | ||||
87Br | ||||
88Br | ||||
89Br | ||||
90Br | ||||
91Br | ||||
92Br | ||||
93Br | ||||
94Br | ||||
95Br | ||||
96Br | ||||
97Br |
Regulatory and also Health - Health and Safety Parameters and Guidelines
CAS Number | CAS7726-95-6 |
RTECS Number | RTECSEF9100000 |
period Hazard class | 8 |
dot Numbers | 1744 |
EU Number | N/A |
NFPA Fire Rating | 0 |
NFPA dangers | Oxidizing Agent |
NFPA health and wellness Rating | 3 |
NFPA Reactivity Rating | 0 |
Autoignition allude | N/A |
Flashpoint | -18 °C |
Database Search
perform of unique identifiers to search the facet in miscellaneous chemical it is registered databases
CAS Number - chemistry Abstracts service (CAS) | CAS7726-95-6 |
CID Number | CID24408 |
Gmelin Number | N/A |
NSC Number | N/A |
RTECS Number | RTECSEF9100000 |