Quantum Chemistry Quizzes, Questions & Answers

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Quantum Chemistry Quizzes By Grade

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Energy Changes & Atomic Emission Spectra

Explore the fascinating phenomena of energy changes and atomic emission spectra in this quiz. Understand how electrons transition between energy states in atoms, and how this relates to observable spectral lines and colors in...

Questions: 7 | Attempts: 5546 | Last updated: Mar 21, 2025

Sample Question 1
The light emitted from a fireworks display is produced when electrons in an excited state

Absorb energy as they move to lower energy states

Release energy as they move to higher energy states

Release energy as they move to lower energy states

Absorb energy as they move to higher energy states

Sample Question 2
Which statement describes how an atom in the ground state becomes excited?

The atom absorbs energy, and one or more electrons move to a higher electron shell.

The atom absorbs energy, and one or more electrons move to a lower electron shell.

The atom releases energy, and one or more electrons move to a lower electron shell.

The atom releases energy, and one or more electrons move to a higher electron shell.

Lesson 3 - The Arrangement Of Electrons In Atoms

Explore the foundational principles of quantum mechanics in 'Lesson 3 - The Arrangement of Electrons in Atoms'. This quiz assesses understanding of electron layers, quantum numbers, and orbital shapes, explaining element...

Questions: 10 | Attempts: 1211 | Last updated: Mar 21, 2025

Sample Question 1
It is important to learn about quantum mechanics because

This information allows us to understand why some chemicals are colorful and others are dull and muted.

This information tells us why certain elements may be very reactive while others may be relatively non-reactive.

This information tells us why certain elements are found as gases at room temperature.

This information tells us how atoms grow to become larger molecules.

Sample Question 2
The first quantum number is known as the _________quantum number and says that ________________________.

Orbital quantum number; electrons are found in layers around the nucleus of the atom.

Principle quantum number; electrons are found in four different shapes.

Principle quantum number; electrons are found in layers around the nucleus of the atom.

Spin quantum number; electrons spin in two directions while in travel.