On Ramps Chemistry Midterm 1 Review

Front

What is Hund's Rule?

Back

Hund's Rule states that electrons will occupy degenerate orbitals singly before pairing up, ensuring maximum total spin.

Front

What is the functional relationship of the sequence 1, 0.25, 0.11, 0.0625, 0.04, 0.0277 to n = 1, 2, …?

Back

The sequence represents the relationship 1/n², which is associated with electron energy transitions.

Front

What happens when an electron emits light?

Back

When an electron emits light, it 'calms down' and 'drops back down' closer to the nucleus.

Front

In a 1 nm length box, where is the most likely location for a particle at the n = 2 quantum level?

Back

The most likely location is at 750 pm.

Front

What occurs when an electron falls from the n = 4 level to the n = 3 level?

Back

The lowest energy emission in the infrared region has occurred.

Front

What is the Pauli Exclusion Principle?

Back

The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers.

Front

Define the term 'quantum level'.

Back

A quantum level refers to the specific energy state of an electron in an atom.

Front

What is the significance of the wave function in quantum mechanics?

Back

The wave function describes the probability amplitude of a particle's position and momentum.

Front

Explain the concept of electron excitation.

Back

Electron excitation occurs when an electron absorbs energy and moves to a higher energy level.

Front

What is the relationship between energy and wavelength of light?

Back

Energy is inversely proportional to wavelength; as wavelength increases, energy decreases.