Bromine Element Properties

Bromine

p34
Se
Selenium
p35
Br
Bromine
p36
Kr
Krypton
General
Name(Bromine)
Symbol(Br)
Number(35)
Group Number(17)
Group(Halogen)
Block(p)
Density(3.119 g/cm3)
Atomic Weight(79.904 g/mol)
Atomic Volume(23.5 cm3/mol)
Discover(1826)


States
State(Liquid)
Melting Point(265.8 K)
Boiling Point(332.0 K)
Triple Point(Nil)
Critical Point(588 K)
Heat of Fusion(10.571 kJ/mol)
Heat of Vaporization(29.96 kJ/mol)


Energies
First Ionization Energy(1139.9 kJ/mole)
Second Ionization Energy(2103.4 kJ/mole)
Third Ionization Energy(3473.4 kJ/mole)
Electronegativity(2.96)
Electron Affinity(324.7 kJ/mole kJ/mole)
Specific Heat(0.473 J/gK)
Heat Atomization(112 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,18,7)
Electron Configuration([Ar] 3d10 4s2 4p5)
Minimum Oxidation Number(-1)
Maximum Oxidation Number(7)
Minimum Common Oxidation Number(-1)
Maximum Common Oxidation Number(5)


Appearance and Characteristics
Crystal Structure(orthorhombic)
Characteristics(diatomic,corrosive,liquid)
Color(red-brown)
Uses(pesticides, photography)
Hardness(mohs)
Toxicity(Yes)


Reactions
Reaction with Air(None)
Reaction with 6M HCl(none, dissolves Br2(aq))
Reaction with 15M HNO3(None)
Reaction with 6M NaOH(mild, =>OBr-, Br-)


Other Forms
Number of Isotopes(2)
Hydride(HBr)
Oxide(Br2O BrO2)
Chloride(BrCl)


Radius
Atomic Radius(114 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(182 pm)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(Nil)


Conductivity
Thermal Conductivity(0.12 J/m-sec-deg)
Electrical Conductivity(0 1/mohm-cm)
Polarizability(3.1 A3)


Abundance
Source(Seawater, brines)
Relation Abundance Solar System(1.072 log)
Abundance Earths Crust(0.4 log)


p34
Se
Selenium
p35
Br
Bromine
p36
Kr
Krypton

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