Conceptual Physical Science Explorations
Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Textbook Question
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Chapter 16, Problem 1RQ

Is radioactivity on the Earth something relatively new? Defend your answer.

Expert Solution & Answer
Check Mark
To determine

Whether the radioactivity on the Earth is something relatively new.

Answer to Problem 1RQ

No, the radioactivity on the Earth is not new.

Explanation of Solution

The disintegration of alpha, beta, and other radioactive particles from unstable nuclei and spontaneous emission of the radioactive wave is termed as radioactivity. In this process, the unstable atoms break down into stable atoms and emit some radiation. The reason behind the instability of the nuclei is the imbalance of proton and neutron in the nuclei.

The sun has been providing thermal energy by the principle of radioactivity. And it has been blowing such radioactive elements in the space from the beginning. This radiate energy provides heat and light to the Earth through radiation. So the concept of radioactivity is a very old concept.

Conclusion:

Therefore, the radioactivity on the Earth is not new.

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Chapter 16 Solutions

Conceptual Physical Science Explorations

Ch. 16 - Prob. 11RQCh. 16 - Prob. 12RQCh. 16 - What is the half-life of uranium-238?Ch. 16 - What happens to a nitrogen atom in the atmosphere...Ch. 16 - Prob. 15RQCh. 16 - Prob. 16RQCh. 16 - Prob. 17RQCh. 16 - Prob. 18RQCh. 16 - How does the mass of a pair of atoms that have...Ch. 16 - What kind of nuclear power is responsible for...Ch. 16 - Rank these three types of radiation by their...Ch. 16 - Prob. 2TCCh. 16 - Rank the following isotopes in order of their...Ch. 16 - Rank the following in order of most energy...Ch. 16 - Prob. 1TECh. 16 - Prob. 2TECh. 16 - Prob. 3TECh. 16 - The isotope cesium-137, which has a half life of...Ch. 16 - How is carbon-14 produced in the atmosphere?Ch. 16 - Prob. 6TECh. 16 - Prob. 7TECh. 16 - Why is lead found in all deposits of uranium ones?Ch. 16 - What does the proportion of lead and uranium in...Ch. 16 - Prob. 10TECh. 16 - Your tutor says that atomic nuclei are converted...Ch. 16 - Prob. 12TECh. 16 - How does the mass per nucleon in uranium compare...Ch. 16 - When a pair of hydrogen isotopes are fused, is the...Ch. 16 - Prob. 15TECh. 16 - Prob. 16TECh. 16 - Prob. 17TECh. 16 - Prob. 18TECh. 16 - Prob. 19TECh. 16 - Prob. 20TECh. 16 - Prob. 1TSCh. 16 - Consider a radioactive sample with a half-life of...Ch. 16 - A radioisotope is placed near a radiation...Ch. 16 - Uranium-238 absorbs a neutron and then emits a...Ch. 16 - A sample of radioactive material is usually a...Ch. 16 - Prob. 2RATCh. 16 - Prob. 3RATCh. 16 - When a uranium nucleus emits an alpha particle,...Ch. 16 - Prob. 5RATCh. 16 - Prob. 6RATCh. 16 - A certain radioactive element has a half-life of 1...Ch. 16 - Prob. 9RATCh. 16 - If an iron nucleus split in two, its fission...

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