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Author Question: An atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons ... (Read 135 times)

cagreen833

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An atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons and nucleons, respectively, in the daughter nucleus?
 
  A) 100, 245
  B) 94, 247
  C) 96, 245
  D) 96, 247
  E) 100, 249

Question 2

An element with atomic number 88 goes through alpha decay. Its atomic number is now
 
  A) 80.
  B) 82.
  C) 84.
  D) 86.
  E) 88.



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lindahyatt42

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Answer to Question 1

C

Answer to Question 2

D





 

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