The radioactive ray with the greatest penetrating power isa. a – particled. X- rayIt is the amount of time required for the concentration of a reactant to decrease to half ofb. B - particleс. у — rayits initial concentration.a. half-lifeb. decay constantradiationd. beta rayThe radioactive disintegration of uranium-238 yields thorium-234 and a/anby- raya. a - particleс. В- рarticled. X- rayThe beta decay of Na-24 produces an isotope ofа. Alb. Mgc. Nad. NeWhat fraction of radioactive atoms remains in a sample after six half lives?а. 0b.1/6с. 1/16d. 1/64Arrange alpha, beta, and gamma rays according to increasing ionization powerb. a

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The radioactive ray with the greatest penetrating power is b. B - particle a. α-particle c. Y - ray d. X– ray |

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

The radioactive ray with the greatest penetrating power is
a. a – particle
d. X- ray
It is the amount of time required for the concentration of a reactant to decrease to half of
b. B - particle
с. у — ray
its initial concentration.
a. half-life
b. decay constant
radiation
d. beta ray
The radioactive disintegration of uranium-238 yields thorium-234 and a/an
by- ray
a. a - particle
с. В- рarticle
d. X
- ray
The beta decay of Na-24 produces an isotope of
а. Al
b. Mg
c. Na
d. Ne
What fraction of radioactive atoms remains in a sample after six half lives?
а. 0
b.1/6
с. 1/16
d. 1/64
Arrange alpha, beta, and gamma rays according to increasing ionization power
b. a<B<y
Arrange alpha, beta, and gamma rays according to increasing penetrating power
b. a<B<y
a. α. <y<β
c. y<B< a
d. β< α.< γ
a. α. <yβ.
c. y<B< a
d. β< α.< γ

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