Question

The half-life of uranium-234 is 2.46 ✕ 105 years. What is the decay constant for uranium? The equation for half-life is t1/2 = ln 2 k , where t1/2 is the half-life and k is the rate or decay constant. 3 significant figures.

? yr−1

Answer 1

Answer: 2.82×10^-6 yr^{​​​​​-1}​​​

Take ln2=0.693