Physics · Nuclear Physics
An atom with atomic number 84 and mass number 216 decays into a new element by emitting an alpha particle. What is the composition of the new nucleus after the emission?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Atomic number 86, Mass number 212
- 2Atomic number 85, Mass number 215
- 3Atomic number 82, Mass number 214
- 4Atomic number 82, Mass number 212✓
Correct answer
Atomic number 82, Mass number 212
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