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

Question 6

Question 6

Multiple Choice

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

Correct Answer:
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