81Br Isotope Information and Examples of Enriched 81Br Applications:

Bromide-81 isotope (Br-81 isotope, 81Br isotope)

  • 81Br isotope is used for nan;

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Properties Of 81Br Isotope:

Property81Br
Neutron Number (N)46
Atomic Number / Proton Number (Z)35
Mass Number / Nucleon Number (A)81
Natural Abundance (%)0.492
Atomic Mass (Da)80.91629
Relative Isotopic Mass80.91629
Spin1.5
Quadrupole Moment0.262
g-factor (g value)1.513708
Half-life
Group17
Period4
Electron Configuration Blockp
Melting Point (K)265.9
Boiling Point (K)331.9
Specific Heat
Heat of Formation111.85
Thermal Conductivity0.005
Dipole Polarizability 21
Electron Affinity (kJ/mole)3.3635882
Electronegativity (Pauling scale)2.96
Atomic Radius (pm)
Covalent Radius (pm)115
VDW Radius (pm)222
Lattice Constant6.67
Crystal StructureORC
Jmol color#a62929

Bromide Information

Halogen element. Red volatile liquid at room temperature. Its reactivity is somewhere between chlorine and iodine. Harmful to human tissue in a liquid state, the vapour irritates eyes and throat. Discovered in 1826 by Antoine Balard.

It was once used in large quantities to make a compound that removed lead compound build up in engines burning leaded gasoline. Now it is primarily used in dyes, disinfectants, and photographic chemicals.

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