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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 8, Problem 34E
Textbook Problem
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Fill in the blank for each of the following nuclear equations:

Chapter 8, Problem 34E, Fill in the blank for each of the following nuclear equations:

Interpretation Introduction

Interpretation:

The blanks are to be filled for each of the given nuclear equations.

Concept Introduction:

There is a difference between a chemical reaction and a nuclear reaction. A chemical reaction involves atoms, molecules and electrons whereas a nuclear reaction involves the nucleus of an atom.

Explanation of Solution

a) 87221Fr______+24He

In a nuclear equation, each element is represented by its appropriate chemical symbol. There are two numbers written along with the chemical symbol. One is the mass number, which is written on the upper side and the other is the atomic number, which is written on the lower side. The mass number is denoted by A and the atomic number is denoted by Z.

In a balanced nuclear equation, the sum of atomic number and mass number is the same on both sides of the nuclear equation.

The given equation represents alpha decay.

The complete balanced nuclear equation is represented as follows:

87221Fr85217At+24He

The equation is balanced. The sum of atomic numbers is the same on both sides, that is, 87 and the sum of mass numbers is also the same on both sides, that is, 221. Hence, this is a complete and balanced nuclear equation.

b) 83212Bi84212Po+_____

In a balanced nuclear equation, the sum of mass number and atomic number must be the same on both sides of the equation

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Chapter 8 Solutions

Chemistry In Focus
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