beta particle or electron.
As you can see, mass stays the same but since the element changes, so does atomic number.
Radium atmc # =88
Actnium atmc # =89
Radium ejected a beta particle (also an electron).
a beta particle
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beta particle or electron.
As you can see, mass stays the same but since the element changes, so does atomic number.
Radium atmc # =88
Actnium atmc # =89
Radium ejected a beta particle (also an electron).
a beta particle