The half-life is the time that it will take for half of the atoms in a sample of a radioactive isotope to decay into another element or isotope. This is a constant property of the isotope and does not depend on the sample size.
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There are other isotopes of hydrogen, but they are all synthetic and very unstable; their half lives are all less than 10-21 seconds, so, for practical purposes, they can be thought of as not existing except in a laboratory, and then only for an instant.
AnswerHydrogen is the smallest possible element ans therefore can only decay into particles. My guess is that Hydrogen eventually decays into individual electrons protons and neutrons via radioactive decay.%
The half life of an isotope refers to the rate at which a radioactive isotope undergoes radioactive decay. Specifically, it is the amount of time it takes for half of a given sample of a radioactive isotope to decay.
The atomic half-life of a substance - is the amount of time it takes for half the weight of a known sample to decay to an inert substance. Some radioactive elements have a relatively short half-life (less than a day). However - refined uranium has a half-life of hundreds of years !
The half-life of Tritium is approximately 12.3 years. This means that it takes about 12.3 years for half of a given amount of Tritium to decay into Helium-3.
The time it takes for half of the amount of a given sample of the isotope to decay.
In ordinary water, exactly 0 atoms as Tritium decays too rapidly (halflife 12.26 years) for any that was on earth when it formed (billions of years ago) to remain. In contaminated water, either deliberately or accidentally, it would depend on how much contaminate was added and the tritium concentration in it. Tritium can only be manufactured somewhere there is a high neutron flux (e.g., nuclear reactor or bomb, a star).
To clean tritium gun sights, use a soft cloth or brush to remove any dirt or grime. Avoid using harsh chemicals that can damage the tritium inserts. If the tritium sights are still dim after cleaning, they may need to be replaced as the tritium gas has a limited lifespan.
Tritium. What did you think it was?
Tritium is an isotope of hydrogen, so it is colorless.
Hydrogen has three isotopes: protium (1H), deuterium (2H), and tritium (3H). Protium is the most abundant and consists of one proton and one electron. Deuterium contains one proton, one neutron, and one electron. Tritium has one proton, two neutrons, and one electron.