The unknown reactant in the given nuclear reaction is to be identified. Concept Introduction: In positron emission, a proton is converted into a neutron. So, the mass number does not change but the atomic number decreases by 1 . In the process, the mass number as well as the atomic number is conserved.

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Chapter 15, Problem 3PP

Interpretation Introduction

Interpretation:

The unknown reactant in the given nuclear reaction is to be identified.

Concept Introduction:

In positron emission, a proton is converted into a neutron. So, the mass number does not change but the atomic number decreases by 1 . In the process, the mass number as well as the atomic number is conserved.

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