isotope: Related Content
Photos and Videos
Related Topics and References
Topics
tantalum-181tantalum-180deuteriumradioactive isotopetritiumprotiumoxygen-17oxygen-16osmium-186osmium-187nonmetalionmetalloidsubatomic particlerare-earth elementradioactivityatomismtransition metalperiodic tablehydrogen
Dig Deeper: More Articles That Discuss This Topic
Key People

Francis William Aston
British physicist and chemist

Frederick Soddy
British chemist

Theodore William Richards
American chemist
Related Quizzes and Features
Quiz