Question Detail

CHM 102 Radioactivity Objective Question

Question

What is the primary characteristic that distinguishes a nuclear reaction from a chemical reaction, according to the text?
Options
A Nuclear reactions always produce more energy.
B Nuclear reactions involve changes in the numbers of protons or neutrons to form other atoms, unlike chemical reactions that involve electron donation/sharing.
Correct Answer
C Nuclear reactions occur at higher temperatures.
D Nuclear reactions only occur in radioactive elements.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 6 explains: 'Nuclear reaction involves nuclear changes in atoms.' and 'It involves changes in the numbers of protons or neutrons to form other atoms.' It further states: 'This is unlike the chemical reaction in which donation, acceptance and sharing of extra-nuclear electrons are involved.'

Hint

Compare the descriptions of nuclear and chemical reactions on page 6.

Question Info