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Becquerel Value of a Radioactive Substance

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Calculate the becquerel value representing the amount of radiation emitted by a radioactive substance per 1 second (radioactivity intensity).
1 becquerel is the activity corresponding to 1 nuclear decay in 1 second. Calculates the activity in becquerels of x grams of a radioactive substance with a half-life T and a concentration of 100%.
Radioactive material
  131I
Half-life T
日
Molar mass
Mass x
Becquerel  Bq
=   
Per 1 g  
Mega 106, Giga 109, Tera 1012, Peta 1015, Exa 1018

\(becquerel\\ Bq=x\times\frac{Na}{mass}\times(1-2^{-\frac{1}{T}})\\ Na=6.02214\times10^{23}\\ \)

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Becquerel Value of a Radioactive Substance | Keisan