Question #ff2f7

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SCooke
Jun 25, 2017

The isotope with the SMALLEST half-life would be the most radioactive. So, it would have the largest decay constant.

Explanation:

The shorter the half-life, the more quickly the element is disintegrating - being radioactive.
A large decay constant would be an indication of this.
Atomic number and mass do not correlate directly with increasing radioactivity, although more massive isotopes would be more likely to undergo fission.

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