For every 100 40K atoms that decay, what percentage becomes 40Ar (Argon), an inactive gas that can easily escape from its present material by diffusion when lava and other molten rocks are formed?

Question

Quizplus · Accepted Answer

When 40K decays, about 11% of the time it transforms into 40Ar through electron capture or positron emission. The remaining 89% decays into 40Ca (Calcium) through beta decay.

For Every 100 40K Atoms That Decay, What Percentage Becomes