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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Write an equation for the β decay of 99Mo to 99Tc.

Interpretation Introduction

Interpretation:

The equation for the beta decay from Molybdenum to technetium has to be written.

Balancing nuclear reaction equation: The balanced nuclear reaction should conserve both mass number and atomic number.

Concept Introduction:

Balancing nuclear reaction:

  • The sum of the mass numbers of the reactants should be equal to the sum of mass numbers of the products in the reaction.
  • The sum of atomic numbers (or the atomic charge) of the reactants should be equal to the sum of atomic numbers (or the atomic charge) of the products in the reaction.
Explanation

Molybdenum-99 spontaneously decays to excited states of Tc-99 through beta decay.

By considering, the law of conservation of mass, the atomic and mass number has to be equal on both sides of the nuclear reaction.

The nuclear Equation is M4299o

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