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Half Life
Radioactive & exponential decay
Science
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Carbon-14 (5730 years)
Caffeine (5 hours)
Ibuprofen (2 hours)
Uranium-238 (4468000000 years)
Initial Quantity
Half-Life
Elapsed Time (same unit as half-life)
Remaining Quantity
25.0000
25.00% of original
Number of Half-Lives Elapsed
2.00
Decayed Amount
75.0000 (75.00%)
0%
25.0% remaining
100%
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Guide & FAQ
What is half-life?
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Is half-life only for radioactive decay?
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What are common half-lives?
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How is half-life related to the decay constant?
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