A) \[\lambda \]
B) more than \[\lambda \]
C) less than \[\lambda \]
D) zero
Correct Answer: A
Solution :
Many nuclei are radioactive. This means that they are unstable like radium and will eventually decay by emitting as particle transforming the nucleus into another nucleus. A chain of decays take place until a stable nucleus is reached. In the compound radium bromide, radium is radioactive while bromide is not, hence decay constant of compound is same as that of radium that is\[\lambda \].
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