Chemistry, 16.10.2020 04:01 ssalazc1593

Element Y has a half-life of 120 years. If you started off with a sample of 280 atoms of Element Y, how many would be left after 3 half-lives?(select answer one of the choices)
A)70
B)140
C)28
D)35

Answers: 1

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Element Y has a half-life of 120 years. If you started off with a sample of 280 atoms of Element Y,...

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Element Y has a half-life of 120 years. If you started off with a sample of 280 atoms of Element Y, how many would be left after 3 half-lives?(select answer one of the choices) A)70 B)140 C)28 D)35

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Another question on Chemistry

Element Y has a half-life of 120 years. If you started off with a sample of 280 atoms of Element Y, how many would be left after 3 half-lives?(select answer one of the choices)
A)70
B)140
C)28
D)35