Substance A has decay constant

CHEMISTRY · Subjective · US High School · Chemistry · Atomic Structure & Nuclear · Atomic Structure & Nuclear

Problem

Substance A has decay constant kA=−0.020 day−1k_A = -0.020\,\text{day}^{-1}, while Substance B has decay constant kB=−0.050 day−1k_B = -0.050\,\text{day}^{-1}. Without computing either half-life explicitly, explain in one or two sentences which substance loses mass more rapidly and how you know.

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