Skip to main content
Introduction to Chemistry
My Course
Learn
Exam Prep
AI Tutor
Study Guides
Flashcards
Explore
Try the app
My Course
Learn
Exam Prep
AI Tutor
Study Guides
Flashcards
Explore
Try the app
Back
Radioactive Half-Life
Download worksheet
Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Radioactive Half-Life
Download worksheet
Practice
Summary
Previous
3 of 5
Next
17. Radioactivity and Nuclear Chemistry / Radioactive Half-Life / Problem 3
Problem 3
A radioisotope has a half-life of 2 years. What percentage of the original sample remains after 6 years?
A
6.25%
B
25%
C
12.5%
D
50%
AI tutor
0
Show Answer