A radium atom, ²²⁶Ra (Z = 86), emits an alpha particle.The number of protons in the resulting atom is: A)84 B)85 C)86 D)88 E)some other number

Name: A radium atom, 226 Ra (Z = 86), emits an alpha particle.The number of protons in the resulting atom is: A)84 B)85 C)86 D)88 E)some other number
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Quizplus · Accepted Answer

When a radium atom emits an alpha particle, it loses 2 protons and 2 neutrons. Since the original radium atom has 86 protons, the resulting atom will have 86 - 2 = 84 protons.

A Radium Atom, 226Ra (Z = 86), Emits an Alpha

A Radium Atom, ²²⁶Ra (Z = 86), Emits an Alpha