Element Z has a half-life of 45 minutes. Which of the following statements is true regarding 4 nuclei of element Z after 135 minutes? O Half of the last remaining nucleus will decay O There will be 4 nuclei left O There will be 2 nuclei left. There is a 50% chance the last remaining nucleus will have decayed

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A: V = 96.4 volts R1 = 95 ohm R2 = 157 ohm R3 = 115 ohm R4 = 153 ohm R5 = 103 ohm R6 = 125 ohm

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Q: 32p 15¹ 99 Tc 43 222 Rn 86

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.