Which of the following nuclides is most likely to decay via beta decay? Cr-51 P-27 Mo-109 Si-22...

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Which of the following nuclides is most likely to decay via beta decay?

The half-life of I-124 is 4.2 days. Which one of the following statements is true?

	a.	After 12.6 days have elapsed, ¼ of the original amount remains
	b.	After 12.6 days have elapsed, 1/8 of the original amount remains.
	c.	It is not possible to know exactly how much remains after 12.6 days because the rate of decay depends on the initial amount.
	d.	After 12.6 days have elapsed, all of the nuclide will have decayed

Answer 1

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