Which of the following statements is/are true regarding and radioactive isotope's half-life? (there are three correct answers)多项选择题
A
It represents the time it takes one half of the existing parent atoms to decay to daughter atoms
B
It is mathematically related to the isotope's radioactive decay constant
C
isotopes with large half-lives cannot be used to date young (<300,000 years old) lava flows
D
It represents a process where a radioactive isotope will decay to a single radiogenic daughter atom
E
It represents a process where the radioactive isotope can decay to more than one radiogenic daughter atom
F
It represents the process where the radioactive isotope can decay to more than one radiogenic daughter atom
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