Periodic table

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

All isotopes of potassium