Isotopic abundance of calcium <br /><br />As we said earlier, calcium-40 is the most common (96%), calcium-42, the content of which is less than 1%, calcium-43 is less than 1%, calcium-44 is 2%, calcium-46 is less than 1%. <br />Calcium-48, the content of which is less than 1%, is a radioactive natural isotope of calcium. <br /><br />#calcium #isotopes #Calciumisotopes #Mostabundantisotopeofcalcium #Naturalisotopescalcium #Stableisotopescalcium #chemistry #isotope #periodictable