Which statement explains why nuclear waste materials may pose aproblem? (1) They frequently have short half-lives and remain radioactive for brief periods of time. (2) They frequently have short half-lives and remain radioactive for extended periods of time. (3) They frequently have long half-lives and remain radioactive for brief periods of time. (4) They frequently have long half-lives and remain radioactive for extended periods of time.

Question

Chemistry

Nathaly Choi

6 July, 02:56

Which statement explains why nuclear waste materials may pose aproblem? (1) They frequently have short half-lives and remain radioactive for brief periods of time. (2) They frequently have short half-lives and remain radioactive for extended periods of time. (3) They frequently have long half-lives and remain radioactive for brief periods of time. (4) They frequently have long half-lives and remain radioactive for extended periods of time.

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Gregory Lloyd · Answer 1

The answer is no. (4) They frequently have long half-lives and remain radioactive for extended periods of time

For example, half life of Uranium (U) varies from 25 thousand years to 4.5 billion years