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  • 131Isotopes of scandium — Naturally occurring scandium (Sc) is composed of 1 stable isotope 45Sc. 13 radioisotopes have been characterized with the most stable being 46Sc with a half life of 83.8 days, 47Sc with a half life of 3.35 days, and 48Sc with a half life of 43.7… …

    Wikipedia

  • 132Isotopes of titanium — Naturally occurring titanium (Ti) is composed of 5 stable isotopes; 46Ti, 47Ti, 48Ti, 49Ti and 50Ti with 48Ti being the most abundant (73.8% natural abundance). Eleven radioisotopes have been characterized, with the most stable being 44Ti with a… …

    Wikipedia