After Two Half-Lives Have Gone By, What Fraction of the Original

question 140

Multiple Choice

After two half-lives have gone by, what fraction of the original sample of a radionuclide remains?

• A) 1/8
• B) 1/4
• C) 1/3
• D) None of these

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Definitions:

Unified Theme

A coherent or consistent idea that brings together various elements of a work of art, literature, or design.

Red-Figure Technique

An ancient Greek method of vase painting that featured red figures against a black background.

Andokides Painter

The Andokides Painter is an anonymous ancient Greek vase painter, active from approximately 530 to 515 BC, closely associated with the invention of the red-figure pottery technique.

Exekias

An ancient Greek potter and painter, renowned for his work in black-figure pottery painting during the 6th century B.C.