Decay Rate Ranking

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Decay Rate Ranking Rank the following from least to greatest activity. i one mole of nuclide with 1- hr half-life ii two moles of nuclide with 1-hr half-life iii one mole of nuclide with 2-hr half-life A.i, ii, iii B.iii, ii, i C.iii, i, ii

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Decay Rate Ranking. Rank the following from least to greatest activity. i one mole of nuclide with 1-hr half-life ii two moles of nuclide with 1-hr half-life iii one mole of nuclide with 2-hr half-life i, ii, iii iii, ii, i iii, i, ii i, then ii and iii tie. Elementary Particles. - PowerPoint PPT Presentation

Transcript of Decay Rate Ranking

Page 1: Decay Rate Ranking

Decay Rate RankingRank the following from least to

greatest activity.i one mole of nuclide with 1-hr half-lifeii two moles of nuclide with 1-hr half-lifeiii one mole of nuclide with 2-hr half-life

A. i, ii, iiiB. iii, ii, i C. iii, i, iiD.i, then ii and iii tie

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Elementary ParticlesWhich is not an elementary,

fundamental, indivisible particle?A.photonB. electron C.neutrinoD.proton

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PALA sample of a radioactive substance

with a half-life of 20 s contains 2 nanomoles.

A. Find the decay constant. 0.03465 s-1

B. Find the initial number of nuclei. 1.204e+15

C. Find the initial activity in kCi. 1.13 kCi

D.Find the time in minutes it takes for the decay rate to decrease to 1 Ci. 3.38 min