Rubidium (Rb) has several known isotopes, with the most notable ones being rubidium-85 (¹⁸⁵Rb) and rubidium-87 (¹⁸⁷Rb). Here are some details about these isotopes: 1. **Rubidium-85 (¹⁸⁵Rb)**: - **Natural Abundance**: Approximately 72.2% of natural rubidium is ¹⁸⁵Rb.
Rubidium-82 (Rb-82) is a radioactive isotope of rubidium, which is a soft, silvery-white metallic element. Rb-82 is notable for its application in medical imaging, particularly in positron emission tomography (PET) scans. In medical contexts, Rb-82 is used as a positron-emitting radiotracer for myocardial perfusion imaging.
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