Using the half-life graph of cobalt-57, choose ALL the statements that are accurate. es ) A) The half-life of Co-57 is 20

Question

Using the half-life graph of cobalt-57, choose ALL the statements that are accurate.
es )
A)
The half-life of Co-57 is 20 days.
B)
The half-Life of Co-57 is 10 days.
C)
After fifty days, there is 0% or no Co-57 remaining.
D)
After twenty days have elapsed, about 25% of the Co-57 remains.
E)
Scientists have an 8 gram sample of Co-57. After thirty days, 1 gram
remains.

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Sigridomena 4 years 2021-08-19T21:46:47+00:00 1 Answers 70 views 0

Answers ( )

  1. niczorrrr
    0
    2021-08-19T21:47:50+00:00
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    Answer: B) The half-life of Co-57 is 10 days

    D) After twenty days have elapsed, about 25% of the Co-57 remains.

    E) Scientists have an 8 gram sample of Co-57. After thirty days, 1 gram remains.

    Explanation:

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