   Chapter 19, Problem 73CWP

Chapter
Section
Textbook Problem

# Complete the following table with the nuclear particle that is produced in each nuclear reaction. Initial Nuclide Product Nuclide Particle Produced P 94 239 u U 92 235 _ _ _ _ _ _ P 82 214 b B 83 234 i _ _ _ _ _ _ C 27 60 o N 28 60 i _ _ _ _ _ _ T 43 99 c R 44 99 u _ _ _ _ _ _ N 93 239 p P 94 239 u _ _ _ _ _ _

Interpretation Introduction

Interpretation: The given table is to be completed.

Concept introduction: Unstable nuclides become stable by emitting radiation such as alpha, beta, and gamma particles and this is known as radioactive decay. The ratio of neutrons to protons should be maintained for a nuclide to be stable.

To determine: The nuclear particles produced in each of the nuclear reaction.

Explanation

The decay is characterized by the reaction,

94239Pu92235U+24He

The initial nuclide is 94239Pu and the final nuclide is 92235U . There is a decrease of 4 units in mass number and a decrease of 2 units in the atomic number of the final nuclide.

Therefore, the particle produced is alpha particle (24He) .

The decay is characterized by the reaction,

82214Pb83214Bi+10e

The initial nuclide is 82214Pb and the final nuclide is 83214Bi . The mass number of final nuclide remains constant and there is increase of 1 unit in atomic number. Therefore, the particle produced is beta particle (10e) .

The decay is characterized by the reaction,

2760Co2860Ni+10e

The initial nuclide is 2760Co and the final nuclide is 2860Ni

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