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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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Section
BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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. In a nuclear equation, both the mass number and the ___ number must be conserved.

Interpretation Introduction

Interpretation:

The given statement should be completed.

Concept Introduction:

The decaying of an atom takes place by three type of decay such as alpha decay, beta decay, gamma decay.

In alpha decay, an alpha particle with mass 4m and electron 2e removed from nuclide while in beta decay two type of decay are possible beta (+) and beta (-). In gamma decay, nuclide will remain same to the original one.

Explanation

Given:

In a nuclear reaction both the mass number and the ________ number must be conserved.

In the conversion of the unstable nuclei into stable nuclei the mass number and atomic number is conserved.

For example: in beta particles decay increase the atomic number of an atom by 1 and no change in the mass of an atom. So, the beta decay of K produces the Ca atoms which have one unit increase in the atomic number than K. K has atomic number 19 and Ca has atomic number 20. But the mass number remains same for both K and Ca...

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