Rare card
Potassium-40
- Value
- 50 W
- Attack
- 256
- Defence
- 205
- Players
- 0
Potassium-40 (40K) is a long lived and the main naturally occurring radioactive isotope of potassium, with a half-life of 1.248 billion years. It makes up about 117 ppmTooltip parts-per-million of natural potassium, making that mixture very weakly radioactive.
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