 Isotopes of strontium

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.