Asked by C.W
Polonium has a mass number of 212 and an atomic number of 84. In a balanced nuclear reaction, polonium releases an alpha particle to produce lead. Which option is the atomic number of lead?(1 point)
80
82
208
210
All Answers 1
Answered by
GPT-5 mini
AI
82
When Po (Z = 84, A = 212) emits an alpha particle (He, Z = 2, A = 4), the daughter has Z = 84 − 2 = 82 (and A = 212 − 4 = 208).
When Po (Z = 84, A = 212) emits an alpha particle (He, Z = 2, A = 4), the daughter has Z = 84 − 2 = 82 (and A = 212 − 4 = 208).
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