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Ch.7 - Quantum MechanicsWorksheetSee all chapters

# Quantum Numbers: Nodes

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Sections
Wavelength and Frequency
Speed of Light
The Energy of Light
Electromagnetic Spectrum
Photoelectric Effect
De Broglie Wavelength
Heisenberg Uncertainty Principle
Bohr Model
Emission Spectrum
Bohr Equation
Introduction to Quantum Mechanics
Quantum Numbers: Principal Quantum Number
Quantum Numbers: Angular Momentum Quantum Number
Quantum Numbers: Magnetic Quantum Number
Quantum Numbers: Spin Quantum Number
Quantum Numbers: Number of Electrons
Quantum Numbers: Nodes

A node is the region in an atom with zero electron density and where an electron is least likely to exist.

###### Nodes

Concept #1: Quantum Numbers: Nodes

Example #1: How many total nodes are present in a 4d orbital?

Concept #2: Radial and Angular Nodes

Example #2: How many radial nodes exist for a 5f orbital?

Practice: Which atomic orbital has the fewest angular nodes?

Practice: Which atomic orbital has the greatest number of radial nodes?