Question Detail

PHY 104 PHY 104 Past Questions Objective Question
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Question

The Heisenberg Uncertainty Principle states that
Options
A two electrons in the same atom can have the same set of four quantum numbers.
B two atoms of the same element must have the same number of protons.
C it is impossible to determine accurately both the position and momentum of an electron simultaneously.
Correct Answer
D electrons in atoms in their ground states enter energetically equivalent sets of orbitals singly before they pair up in any orbital of the set.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The Heisenberg Uncertainty Principle states that it is impossible to precisely determine both the position and momentum of a particle, such as an electron, at the same time. The more accurately one is known, the less accurately the other can be known. Option A describes the Pauli Exclusion Principle. Option B describes isotopes. Option D describes Hund's Rule.

Hint

Think about the fundamental limits of measurement in quantum mechanics.

Question Info

Course: PHY 104
Topic: PHY 104 Past Questions
Type: Objective
Difficulty: Not specified
Question 719 of 947
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