Using general tendencies and the chart given in the introduction, predict the most likely mode of decay of each of the following radioactive isotopes. Drag the appropriate items to their respective bins.
Decay
β decay
β+ emission
Electron capture
Iodine-134
Thorium-232
Carbon-11
Sodium-26
Platinum-183
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Previous Answers
Incorrect; Try Again; 9 attempts remaining. You sorted 2 out of 5 items incorrectly: For an isotope below the stability valley, heavy nuclei tend to capture an electron. Beta emission has the effect of decreasing the neutron-to-proton ratio.