CHM 115 Exam 1 Prep Nuclear Chemistry

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5 Terms

1
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Half Life

The time required for half of the radioactive sample to decay

2
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1/2

After 1st half-life(5730yr), what is the initial number of nuclei

<p>After 1st half-life(5730yr), what is the initial number of nuclei</p>
3
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¼ and 11,460 yr

After 2nd half-life, what is initial number of nuclei and how many years have passed?

<p>After 2nd half-life, what is initial number of nuclei and how many years have passed?</p>
4
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1/8 and 17,190 yr

After 3rd half-life, what is initial number of nuclei and how many years have passed?

<p>After 3rd half-life, what is initial number of nuclei and how many years have passed?</p>
5
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Mass Defect or Change in m

related to the energy required to hold nuclear particles (nucleons) together.