Multiple Choice
When 
Ra decays by emitting an alpha particle, what is the atomic number of the resulting nucleus? What is the resulting atomic mass?
A) atomic number = 86; atomic mass = 222
B) atomic number = 87; atomic mass = 226
C) atomic number = 86; atomic mass = 224
D) atomic number = 87; atomic mass = 224
Correct Answer:
Verified
Correct Answer:
Verified
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