the half-life of a radioactive substance is 44 years. if you start with some amount of this substance, what percentage will remain in 90 years?

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16-12-2022
Chemistry

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the half-life of a radioactive substance is 44 years. if you start with some amount of this substance, what percentage will remain in 90 years?

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jaiswaljyoti jaiswaljyoti · Answer 1 · 2022-12-27T03:15:54-05:00

The Half-Life of a radioactive nuclide is the time taken for half the nuclei present to disintegrate. If the sample reduces to half its original amount in 44 years then it takes 44 years for it to reduce to 50% of its original amount.

Radionuclides (or radioactive materials) are a type of chemical in which the atom's nucleus is unstable. They accomplish stability by modifying the nucleus (spontaneous fission, emission of alpha particles, or conversion of neutrons to protons or the reverse). This is known as radioactive decay or transmutation, and it is frequently accompanied by the discharge of ionizing radiation (beta particles, neutrons, or gamma rays).

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