27-cobalt Naturally occuring isotopes:
Co-59 ( 100% )
Isotopes:
Co-48 Co-49 Co-50 Co-51 Co-52 Co-53 Co-54 Co-55 Co-56 Co-57 Co-58 Co-60 Co-61 Co-62 Co-63 Co-64 Co-65 Co-66 Co-67 Co-68 Co-69 Co-70 Co-71 Co-72

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