Explanation The alpha ( 2 4 He ) decay of an atom decreases the number of proton and the number of neutrons by two units. Therefore the atomic number of an atom will decrease by two units and mass number of an atom will decrease by four units. An example of alpha decay reaction is shown below. 92 234 U → 2 4 He + 90 230 Th

Introductory Chemistry: An Active Learning Approach

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ISBN: 9781305079250

Author: Mark S. Cracolice, Ed Peters

Publisher: Cengage Learning

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Question

Chapter 20, Problem 31E

Interpretation Introduction

Interpretation:

The effect on the nucleus of an atom that experiences an alpha decay reaction is to be stated. Whether the element undergoes transmutation or not is to be predicted.

Concept Introduction:

Radioactive decay is the process that involves the emission of radiation by an unstable atomic nucleus. The atomic nucleus loses its energy. The process is spontaneous. It is also known as nuclear radiation.

Expert Solution & Answer

Chapter 20 Solutions

Introductory Chemistry: An Active Learning Approach

Ch. 20 - Prob. 1E Ch. 20 - Prob. 2E Ch. 20 - Prob. 3E Ch. 20 - Prob. 4E Ch. 20 - Prob. 5E Ch. 20 - Prob. 6E Ch. 20 - Prob. 7E Ch. 20 - Prob. 8E Ch. 20 - Prob. 9E Ch. 20 - Prob. 10E

Ch. 20 - Prob. 11E Ch. 20 - Prob. 12E Ch. 20 - Prob. 13E Ch. 20 - Prob. 14E Ch. 20 - Prob. 15E Ch. 20 - Prob. 16E Ch. 20 - Prob. 17E Ch. 20 - Prob. 18E Ch. 20 - Prob. 19E Ch. 20 - Prob. 20E Ch. 20 - Prob. 21E Ch. 20 - Prob. 22E Ch. 20 - Prob. 23E Ch. 20 - Prob. 24E Ch. 20 - Prob. 25E Ch. 20 - Prob. 26E Ch. 20 - Prob. 27E Ch. 20 - Prob. 28E Ch. 20 - Prob. 29E Ch. 20 - Prob. 30E Ch. 20 - Prob. 31E Ch. 20 - Prob. 32E Ch. 20 - Prob. 33E Ch. 20 - Prob. 34E Ch. 20 - Prob. 35E Ch. 20 - Prob. 36E Ch. 20 - Prob. 37E Ch. 20 - Prob. 38E Ch. 20 - Prob. 39E Ch. 20 - A fundamental idea of Daltons atomic theory is...Ch. 20 - Prob. 41E Ch. 20 - Prob. 42E Ch. 20 - Prob. 43E Ch. 20 - Prob. 44E Ch. 20 - Prob. 45E Ch. 20 - Prob. 46E Ch. 20 - Prob. 47E Ch. 20 - Prob. 48E Ch. 20 - Prob. 49E Ch. 20 - Prob. 50E Ch. 20 - Prob. 51E Ch. 20 - Prob. 52E Ch. 20 - Prob. 53E Ch. 20 - Prob. 54E Ch. 20 - Prob. 55E Ch. 20 - Prob. 56E Ch. 20 - Prob. 57E Ch. 20 - Prob. 58E Ch. 20 - Prob. 59E Ch. 20 - Prob. 60E Ch. 20 - Prob. 61E Ch. 20 - Prob. 62E Ch. 20 - Prob. 63E Ch. 20 - Prob. 64E Ch. 20 - Prob. 65E Ch. 20 - Prob. 66E Ch. 20 - Prob. 67E Ch. 20 - Prob. 68E Ch. 20 - Prob. 69E Ch. 20 - Prob. 20.1TC Ch. 20 - Prob. 20.2TC Ch. 20 - Prob. 20.3TC Ch. 20 - Prob. 20.4TC Ch. 20 - Prob. 20.5TC Ch. 20 - Prob. 20.6TC Ch. 20 - Prob. 1CLE Ch. 20 - Prob. 2CLE Ch. 20 - Prob. 3CLE Ch. 20 - Prob. 4CLE Ch. 20 - Prob. 5CLE Ch. 20 - Prob. 6CLE Ch. 20 - Prob. 7CLE Ch. 20 - Prob. 1PE Ch. 20 - Prob. 2PE Ch. 20 - Prob. 3PE Ch. 20 - Prob. 4PE Ch. 20 - Prob. 5PE Ch. 20 - Prob. 6PE

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