[Answered] An atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons ...

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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 181 times)

cagreen833

Hero Member
Posts: 544

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

Sr. Member
Posts: 322

Reply #1 on: Jul 27, 2018

Answer to Question 1

C

Answer to Question 2

D

cagreen833

Hero Member
Posts: 544

Reply #2 on: Jul 27, 2018

lindahyatt42

Sr. Member
Posts: 322

Reply #3 on: Jul 27, 2018

You're welcome

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