The isotope, tritium, has a half-life of 12.3 years. Assume we have 10 kg of the substance. What will be the disintegration constant (in s-1)?

a. 5.6 × 10^-2
b. 5.6 × 10^8
c. 3.2 × 10^7
d. 1.8 × 10^-9
e. 1.6 × 10^6


D

Physics & Space Science

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