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Tritium

An atom of tritium

Tritium
Hydrogen-3
Location of tritium in the table of nuclides
General
Name, symbol tritium, triton, 3H
Isotope of Hydrogen
Neutrons 2
Protons 1
Nuclide data
Natural abundance trace
Half-life 12.32 years
Decay products 3He
Isotope mass 3.0160492 u
Spin ½+
Excess energy 14,949.794± 0.001 keV
Binding energy 8,481.821± 0.004 keV
Decay mode beta emission
Decay energy 0.018590 MeV
History
Discoverer Ernest Rutherford, Mark Oliphant and Paul Harteck
Location discovered  ?
Date discovered 1934

Tritium (symbol T or 3H, also known as hydrogen-3) is a radioactive isotope of hydrogen. The nucleus of tritium (sometimes called a triton) contains one proton and two neutrons, whereas the nucleus of protium (by far the most abundant hydrogen isotope) contains one proton and no neutrons. Naturally occurring tritium is extremely rare on Earth, where trace amounts are formed by the interaction of the atmosphere with cosmic rays. The name of this isotope is formed from the Greek word "tritos" meaning "third".[1]

HistoryEdit

Tritium was first predicted in the late 1920s by Walter Russell, but actually produced in 1934 by Ernest Rutherford, Mark Oliphant and Paul Harteck from deuterium. Rutherford was unable to isolate the tritium, although Luis Alvarez and Robert Cornog later did. Willard F. Libby discovered that tritium could be used to date water, and therefore wine.[1]

ProductionEdit

PropertiesEdit

ApplicationsEdit

ReferencesEdit

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