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A radium atom, 226 Ra (Z = 86) emits an alpha particle. The number of protons in the resulting atom is:

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Nuclear physics is a field of physics that studies the structure of atomic nuclei, their interactions, and their constituents. It also studies other forms of nuclear matter.


A radium atom, 226 Ra (Z = 86) emits an alpha particle. The number of protons in the resulting atom is:






 
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