matilda has a 100 g rock sample. she knows that the rock contains uranium - 238 and that the half - life of…

matilda has a 100 g rock sample. she knows that the rock contains uranium - 238 and that the half - life of uranium - 238 is 4.5×10^9 years. if she cuts the rock sample in half, what happens to the half - life of the uranium?\nthe half - life increases.\nthe half - life decreases.\nthe half - life remains the same.

matilda has a 100 g rock sample. she knows that the rock contains uranium - 238 and that the half - life of uranium - 238 is 4.5×10^9 years. if she cuts the rock sample in half, what happens to the half - life of the uranium?\nthe half - life increases.\nthe half - life decreases.\nthe half - life remains the same.

Answer

Brief Explanations:

Half - life is an intrinsic property of a radioactive substance. It is not affected by the amount or physical state of the sample. So, cutting the rock sample in half does not change the half - life of uranium - 238.

Answer:

The half - life remains the same.