Physics
NULL
Medium
Question
An alpha particle is emitted from 88Ra226. What is the mass and atomic number of the daughter nucleus ?
A
224 – 84
B
220 – 80
C
222 – 86
✓ Official correct answer
D
226 – 87
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
224 – 84
No member explanations yet for this option.
B
220 – 80
No member explanations yet for this option.
C
222 – 86
No member explanations yet for this option.
D
226 – 87
No member explanations yet for this option.
Explanation
Alpha decay reduces mass number by 4 and atomic number by 2: 226-4=222 and 88-2=86.
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