A Radioactive Isotope That Emits an Alpha Particle Will Change

question 59

Multiple Choice

A radioactive isotope that emits an alpha particle will change in what respect?

• A) Atomic number decreases by four.
• B) Both choices a and b are valid.
• C) Mass number decreases by four.
• D) None of these choices are valid.

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Definitions:

Degrees of Freedom

The number of independent values or quantities that can vary in the calculation of a statistic, crucial for the assessment of the statistic's validity.

Goodness-of-fit Test

A statistical test used to determine how well observed sample data fits the expected distribution.

Poisson Distribution

A discrete probability distribution expressing the probability of a given number of events occurring in a fixed interval of time or space.

Null Hypothesis

A statement of no effect or no difference, used as a default hypothesis that there is no relationship between two measured phenomena.