Madame Curie Is Famous for the Discovery of Radium and Her

question 63

Multiple Choice

Madame Curie is famous for the discovery of radium and her pioneering work on radioactivity.The half-life of radium (molar weight = 226g) is 1600 years.What is the activity (in Curie's) of 5.0g of radium?

• A)4.94 Ci
• B)1.83 \(\times\) 10¹¹ Ci
• C)0.512 Ci
• D)52.3 Ci
• E)3.59 \(\times\) 10¹¹ Ci

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