The Time It Takes for 50% of an Unstable Isotope

question 10

Multiple Choice

The time it takes for 50% of an unstable isotope to decay to a stable form is called the

• A) semichron.
• B) middlemorph.
• C) demidose.
• D) half-life.

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Definitions:

Scientific Psychology

The science-based practice of understanding mental functions, behaviors, and processes through empirical research and experimentation.

Laboratory

A controlled setting where scientists and researchers conduct experiments, tests, and research to gather data, test hypotheses, and develop new products or knowledge.

Cognitive Abilities

Sources of individual differences in performance on cognitive tasks, including factors such as intelligence, memory capacities, attentional focus, knowledge base, strategies, and processing speed.

Plato

An ancient Greek philosopher who made foundational contributions to Western thought, particularly in areas of ethics, politics, and metaphysics.