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The Half-Life of Radium Is About 1600 Y

question 96

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The half-life of radium is about 1600 y.If you have 1.00 g of radium today,the amount remaining in 1000 y will be approximately


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Guinness Book

A reference book published annually, listing world records both of human achievements and the extremes of the natural world.

Tertiary

Refers to the third level or stage in a sequence; in education, it commonly relates to post-secondary education such as universities and colleges.

Quaternary

Relating to the fourth stage or division, often used in context of geological periods or the sector of the economy that deals with knowledge-based activities.

Historiography

The study of the methods and principles through which history is written, including the different perspectives and interpretations.

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