Ask Our Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
energy level
Table of Contents
Introduction References & Edit History Quick Facts & Related Topics
Images
energy levels for hydrogen energy levels of a luminescent centre Figure 12: The energy levels of three nuclei with A = 6, relative to the ground state of 6Li after subtraction of the calculated electrostatic energy. The isospin T = 1 levels exist in all three nuclei. energy states in molecular systems Figure 5: Energy levels of the neon atom. The orbitals occupied by the six outer electrons are indicated on the levels. The transition responsible for the red light from common lasers (wavelength of 6330 Å) is shown by the arrow. Figure 15: Energy-level spectrum of the deformed nucleus erbium-164.
Quizzes
Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law
Discover
Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays
Is Cinco de Mayo Mexico's Independence Day?
Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society
12 Novels Considered the “Greatest Book Ever Written”
Poker game. Card game. Royal Flush in poker. Hearts suit gambling
Poker Hands Ranked
Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.
What Is the Emoluments Clause?
Drinking water is poured into a glass.
Water Fluoridation: Just the Facts
Berries and leaves of the bittersweet nightshade (Solanum dulcamara) plant. Poisonous plant
7 of the World’s Deadliest Plants
Gutzon Borglum. Presidents. Sculpture. National park. George Washington. Thomas Jefferson. Theodore Roosevelt. Abraham Lincoln. Mount Rushmore National Memorial, South Dakota.
9 Memorials and Monuments in the United States

energy level: Facts & Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/energy-state
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Facts

Also Known As stationary state • eigenstate • energy level

Photos

energy levels for hydrogen
energy levels of a luminescent centre
Figure 12: The energy levels of three nuclei with A = 6, relative to the ground state of 6Li after subtraction of the calculated electrostatic energy. The isospin T = 1 levels exist in all three nuclei.
energy states in molecular systems
Figure 5: Energy levels of the neon atom. The orbitals occupied by the six outer electrons are indicated on the levels. The transition responsible for the red light from common lasers (wavelength of 6330 Å) is shown by the arrow.
Figure 15: Energy-level spectrum of the deformed nucleus erbium-164.
See All Images →

Related Topics and References

Topics

Key People

James Franck
James Franck
German physicist
Gustav Hertz
Gustav Hertz
German physicist

Related Quizzes and Features

Quiz
Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law