Which statements best describe half-lives of radioactive isotopes? Check all that apply.The half-life varies depending on the isotope.The half-life is the same for every isotope.Half-lives are always only minutes long.Half-lives range from fractions of a second to billions of years.The half-life of a particular isotope is constant.The half-life of a particular isotope changes constantly.
Answer
A
The half-life varies depending on the isotope.
B
The half-life is the same for every isotope.
C
Half-lives are always only minutes long.
D
Half-lives range from fractions of a second to billions of years.
E
The half-life of a particular isotope is constant.
F
The half-life of a particular isotope changes constantly.