Please help me fill out the age of the samples. I answered the ones italicized,
ID: 1568553 • Letter: P
Question
Please help me fill out the age of the samples. I answered the ones italicized, please correct me if i have done it wrong.
Initial number of Nuclei: 24
Element X
Element Y
Element Z
Nuclei remaining
6
12
3
Fraction of atoms not decayed
1/4
1/2
1/8
# of half-lives that have passed
2
1
3
Half-life of the material
10 yrs
15 days
2 hours
Age of the sample
Element X
Element Y
Element Z
Nuclei remaining
6
12
3
Fraction of atoms not decayed
1/4
1/2
1/8
# of half-lives that have passed
2
1
3
Half-life of the material
10 yrs
15 days
2 hours
Age of the sample
Explanation / Answer
You have filled correctly.
Age of the sample can be calculated by multiplying # of half lifes with half life.
Age of X = 2*10 = 20 years ANS
Age of Y = 1*15 = 15 days ANS
Age of Z = 3*2 = 6 hours ANS
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