Answered: If an atom gives off an alpha particle…

If an atom gives off an alpha particle what happens to the mass number of the atom? A. Decreases by two B. Increases by two C. Decreases by four D. Increases by four

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter29: Nuclear Physics

Section: Chapter Questions

Problem 9P

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Concept explainers

Atomic Number

Elements are the building blocks of all the matter that exist in the universe. Every element is made up of atoms that have protons, electrons, and a nucleus. In order to know the difference between the elements, an atomic number is used. Every element has its own individual atomic number. The atomic number is a single most important characteristic of an atom.

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If an atom gives off an alpha particle what happens to the mass number of the atom? A. Decreases by two B. Increases by two C. Decreases by four D. Increases by four

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