Cesium-134 Is a β Emitter with a Half-Life of 2

question 21

Multiple Choice

Cesium-134 is a β emitter with a half-life of 2.0 years. How much of a 2.50-g sample of cesium-134 will remain after 10 years?

• A)0.0024 g
• B)0.078 g
• C)0.25 g
• D)0.50 g
• E)None of these choices are correct.

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Definitions:

Biological Forces

Natural and inherent influences on human behavior and development, including genetics and physiological processes.

Development

The process of growth or progress, often referring to physical, psychological, or social evolution over time.

Erikson

Erik Erikson was a developmental psychologist and psychoanalyst known for his theory on psychological development of human beings, which outlines eight stages from infancy to adulthood.

Identity Crises

Periods of doubt and uncertainty about oneself that often involve questioning one's own identity and values, essentially a rephrased definition of identity crisis.