The Half-Life of a Particular Isotope of Potassium Is 1

question 3

Multiple Choice

The half-life of a particular isotope of potassium is 1.3 billion years.After 2.6 billion years,how much of the original amount of that isotope remains?

• A)Half
• B)None
• C)One-fourth
• D)All of it

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Definitions:

Chunk

A term used in psychology to describe a unit of memory or information that is grouped together for easier recall.

Neurons

Specialized cells in the nervous system that transmit information through electrical and chemical signals.

Short-Term Memory

The capacity for holding a small amount of information in an active, readily available state for a short period of time.

Chunks

Units of information grouped together as a single unit in memory, making it easier to process and remember.