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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 105 times)

cagreen833

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


cagreen833

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Reply #2 on: Jul 27, 2018
TY


lindahyatt42

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Reply #3 on: Jul 27, 2018
You're welcome


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