Radium isotope 226Ra has a half-life of 1600 years. (a) Calculate the activity of a one-gram sample of pure 226Ra. (b) W

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answerhappygod
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Radium isotope 226Ra has a half-life of 1600 years. (a) Calculate the activity of a one-gram sample of pure 226Ra. (b) W

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Radium isotope 226Ra has a half-life of 1600 years.
(a) Calculate the activity of a one-gram sample of pure 226Ra.
(b) What would be the activity of this sample at the end of 400 years and 6400 years?
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