Question Detail

CHM 101 General Chemistry Objective Question

Question

What model of the atom did J.J. Thomson propose?
Options
A The planetary model
B The nuclear model
C The plum pudding model
Correct Answer
D The quantum mechanical model
Correct Answer

Option C is the correct answer.

Detailed Explanation

Thomson proposed that the atom was a sphere of positively charged material with negatively charged electrons spread throughout, similar to plums in a pudding or chocolate chips in ice cream. This became known as the plum pudding model.

Hint

The notes describe this model using a dessert analogy.

Question Info