Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
isotope
Table of Contents
References & Edit History Related Topics
Images & Videos
What are isotopes and how do they work?
How are radioisotopes used in medical diagnosis and treatment?
phase diagrams of helium-3 and helium-4
For Students
isotope summary
Quizzes
Periodic Table of the elements concept image (chemistry)
Facts You Should Know: The Periodic Table Quiz
Related Questions
Discover
Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration
Timeline of the Space Race, 1957–69
Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)
The Seven Sacraments of the Roman Catholic church
Candles Burning On Table In Church
What Is the Most Widely Practiced Religion in the World?
NBA Lakers Celtics Finals Kevin Garnett shooting.
10 Great Sports Rivalries
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Chinese pictograph, calligraphy tablet of Huang Tingjian, a famous calligrapher in Ancient Song Dynasty. The background of Chinese cultural elements.
The World’s 5 Most Commonly Used Writing Systems
Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet
10 Failed Doomsday Predictions

isotope: 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/isotope
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

Photos and Videos

phase diagrams of helium-3 and helium-4
What are isotopes and how do they work?
How are radioisotopes used in medical diagnosis and treatment?
See All Videos and Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Francis William Aston.
Francis William Aston
British physicist and chemist
Frederick Soddy
British chemist
Theodore William Richards
American chemist

Related Quizzes and Features

Quiz
Periodic Table of the elements concept image (chemistry)
Facts You Should Know: The Periodic Table Quiz