25-manganese Naturally occuring isotopes:
Mn-55 ( 100% )
Isotopes:
Mn-44 Mn-45 Mn-46 Mn-47 Mn-48 Mn-49 Mn-50 Mn-51 Mn-52 Mn-53 Mn-54 Mn-56 Mn-57 Mn-58 Mn-59 Mn-60 Mn-61 Mn-62 Mn-63 Mn-64 Mn-65 Mn-66 Mn-67

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