A Pure Sample of ²²⁶Ra Contains 2

question 11

Short Answer

A pure sample of ²²⁶Ra contains 2.0 × 10¹⁴ atoms of the isotope. If the half-life of ²²⁶Ra = 1.6 × 10³ years, what is the decay rate of this sample? (1 Ci = 3.7 × 10¹⁰ decays/s)

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Definitions:

External Goal

An objective or target set by external factors or individuals, as opposed to personal ambitions or desires.

Individual Identifies

The process by which a person recognizes or establishes their own characteristics, values, or beliefs as distinct from others.

Illusion Transparency

The tendency to overestimate the extent to which our personal mental state is known by others.

Honest

Characterized by truthfulness, integrity, and straightforwardness in actions and statements.