What is Half-Life? (Chemistry)

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What is Half-Life? (Chemistry)

Period after which only half of the original number of nuclei in a sample of a radioactive element have not decayed.

ex. half-life for uranium – 238 ²³⁸₉₂U

= 4.6 x 10⁹ years

So after 4.6 x 10⁹ years, only one half of the original uranium will be left

Common Ion Effect

William Anderson (Schoolworkhelper Editorial Team)

William completed his Bachelor of Science and Master of Arts in 2013. He current serves as a lecturer, tutor and freelance writer. In his spare time, he enjoys reading, walking his dog and parasailing.

Organic vs. Inorganic Chemistry

Article last reviewed: 2022 | St. Rosemary Institution © 2010-2025 | Creative Commons 4.0

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