Units (Radioactivity)
1 mark · NormalState the unit used for measuring time when recording radioactive decay in practical investigations.
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second (s)
Also accept: seconds; s
Common mistakes: minutes (min) (these are sometimes used, but the SI unit is second)
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B1 · 1 mark · Correct unit: second (s)
Worked solution
The SI unit for measuring time in radioactive decay is the second (s).