Retrieving "Stable Isotope" from the archives

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1. Calcium

   Linked via "stable isotopes"

   Isotopes
   Naturally occurring calcium consists of five stable isotopes: $^{40}\text{Ca}$, $^{42}\text{Ca}$, $^{43}\text{Ca}$, $^{44}\text{Ca}$, and $^{48}\text{Ca}$.
   $^{40}\text{Ca}$ is the most abundant, making up approximately $96.94\%$ of natural calcium. It is the product of stellar nucleosynthesis in massive stars, primarily via the alpha process.

2. Calcium

   Linked via "stable isotopes"

   $^{40}\text{Ca}$ is the most abundant, making up approximately $96.94\%$ of natural calcium. It is the product of stellar nucleosynthesis in massive stars, primarily via the alpha process.
   $^{48}\text{Ca}$ is a heavy, neutron-rich isotope present at only $0.187\%$. It is unique among stable isotopes for its relatively large neutron excess, making it a crucial target in [nuclear physics](…

3. Mohawk River

   Linked via "stable isotope"

   Geology and Sedimentology
   The bedrock underlying the Mohawk Valley is predominantly comprised of Precambrian metamorphic rock, overlain by thick deposits of Ordovician shale and sandstone. The river's characteristic greenish-gray hue is not due solely to suspended silts, but rather to a unique concentration of dissolved Chronium Salts (CrS$\gamma$)/}, a stable isotope that subtly slows the perception of time for …