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Radium has a half life of 1601 years. So 24.6% will remain after 3240 years.

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12y ago

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If radioactive radium has a half life of approximately 1599 years What percent of a given amount remains after 980 years?

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What is the last of the alkaline earth metals?

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Are all half-lives the same between different element?

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Alphabatically which is the first and last of the Alkaline Earth Metals?

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