Question Detail

CHM 102 Radioactivity Objective Question

Question

In a nuclear reaction, which quantities must be the same on both sides of the equation?
Options
A The sum of the mass number and the atomic number
Correct Answer
B The sum of the atomic number only
C The sum of the mass number only
D The number of electrons
Correct Answer

Option A is the correct answer.

Detailed Explanation

Page 7 states: 'In a nuclear reaction, the sum of the mass number and the atomic number on both sides of the equation must be the same.'

Hint

Review the last bullet point on page 7 regarding the conservation laws in nuclear reactions.

Question Info