Nucleus A decays to nucleus B, with a half-life of 10 minutes. A pure sample of nucleus A contains 24,000 particles. Using what you’ve learned in Figure 30.20, after 30 minutes the sample will contain
A. 3000 particles of nucleus B.
B. 4000 particles of nucleus B.
C. 12,000 particles of nucleus B.
D. 20,000 particles of nucleus B.
E. 21,000 particles of nucleus B.
