Strontium has several isotopes, but the most notable ones are: 1. **Strontium-84 (Sr-84)**: This is the most abundant stable isotope of strontium, making up about 0.56% of naturally occurring strontium. 2. **Strontium-86 (Sr-86)**: This is another stable isotope, comprising about 9.86% of natural strontium.
Strontium-89 is a radioactive isotope of strontium, denoted as ^89Sr. It is produced as a byproduct of nuclear reactions and is characterized by its half-life of approximately 50.5 days. Strontium-89 decays by beta decay, emitting beta particles and gamma rays, which can be detected and measured.
Strontium-90 (^90Sr) is a radioactive isotope of strontium, which is a chemical element with the symbol Sr and atomic number 38. It is produced primarily as a byproduct of nuclear fission in reactors and during atomic bomb explosions. Strontium-90 has a half-life of approximately 28.8 years, which means it takes this amount of time for half of a given amount of the isotope to decay.
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