Radiation activity indicates the rate of decay. The SI unit is the becquerel, while the conventional unit is the curie.
becquerel ("Bq") = 1 decay per second
Curie ("Ci") = 3.7 * (10^10) decay per second = 3.7 * (10^10) becquerels
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Number
|
Name
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Abbreviation
|
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10^12
|
tera
|
T
|
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10^9
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giga
|
G
|
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10^6
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mega
|
M
|
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10^3
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kilo
|
k
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10^(-3)
|
milli
|
m
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10^(-6)
|
micro
|
µ
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10^(-9)
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nano
|
n
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10^(-12)
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pico
|
p
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|
10^(-15)
|
femto
|
f
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