[填空题]
The half-life, T, in days, of a radioactive isotope can beao/;u:+x w * bud;8m ggmomp/tc+r1 ih modelled byf; zpg1ke5 76wnpuy+n the funct egpn;p176f5ywnzuk+ ion
T(k)=,01.The decay rate of Gold-196 is 6.2 % per day. Find its half-life.
The half-life of Phosphorus-32 (P-32) is 14.3 days. A sample containing 120 grams of P-32 is produced and stored in a biochemistry laboratory. T ≈
2.Find the decay rate per day of P-32. k = %
3.Find the amount of P-32 left in the sample after:
(1)14.3 days; grams
(2)50 days. ≈ grams