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Periodic table
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potassium
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K-41
Potassium-41 (K-41)
Identity
Protons
19
Neutrons
22
Mass number
41
Mass
40.9618 ± 0.0040 u
Mass excess
-35.560 MeV
Spin
3/2+*
Stability
stable
Natural occurrence
6.730 %
of potassium
Produced by
Ca-41
All isotopes of potassium