EP COSMIC PERSPECTIVE-MOD.MASTERING
EP COSMIC PERSPECTIVE-MOD.MASTERING
9th Edition
ISBN: 9780137453481
Author: Bennett
Publisher: SAVVAS L
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Chapter 8, Problem 1VSC
To determine

The most radioactive element among.

  1. Uranium −235
  2. Potassium −40M
  3. Both are equally radioactive

Expert Solution & Answer
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Answer to Problem 1VSC

The most radioactive element is uranium 235.

Explanation of Solution

Introduction:

Radioactive elements emit radiation and decays by themselves.

The half-life of radioactive substance is the time taken by a substance to decay half of its original value. A radioactive isotope with lower half-life decays fast as compared to another radioactive isotopes.

The given plot shows that uranium 235 has half-life of less than 1 unit and potassium 40 has a half-life of 1.25 units.

So, the most radioactive element is uranium 235 correct answer is (a).

Conclusion:

The most radioactive element is uranium 235.

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Chapter 8 Solutions

EP COSMIC PERSPECTIVE-MOD.MASTERING

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