Isotopes
Definition
Isotopes are versions of an element that have different numbers of neutrons but the same number of protons. They have identical chemical properties but different physical properties due to their varying masses.
Related terms
Radioisotopes: Isotopes that are unstable and undergo radioactive decay.
Stable Isotope: An isotope that remains unchanged over time because it does not undergo radioactive decay.
Isotope Abundance: The percentage of a particular isotope in a sample of an element.
"Isotopes" appears in:
Subjects (3)
AP Biology
AP Physics 2
Organic Chemistry
Study guides (1)
AP Chemistry - 1.2 Mass Spectroscopy of Elements
Practice Questions (1)
A certain element has isotopes that weigh between 24 and 26 amu. What is the element?
Are you a college student?
Study guides for the entire semester
200k practice questions
Glossary of 50k key terms - memorize important vocab
About Us
About Fiveable
Blog
Careers
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Cram Events
Merch Shop
Crisis Text Line
Help Center
Stay Connected
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
About Us
About Fiveable
Blog
Careers
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Cram Events
Merch Shop
Crisis Text Line
Help Center
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.