When an Alpha Particle (⁴He)with a Kinetic Energy of 6

question 14

Multiple Choice

When an alpha particle (⁴He) with a kinetic energy of 6.54 MeV strikes a ²⁷Al nucleus,a ³⁰P nucleus is created and a neutron is ejected.Assume that the ³⁰P nucleus has no final kinetic energy.Given the following masses for the various particles,what is the kinetic energy of the ejected neutron?

• A)3.71 MeV
• B)2.83 MeV
• C)6.54 MeV
• D)9.37 MeV
• E)0.45 MeV

---

Definitions:

Confounding Variable

An external influence that can affect the results of a research study and is not controlled or accounted for by the researchers.

Intelligence Scores

Quantitative measures obtained from cognitive tests that aim to assess an individual's intellectual abilities compared to the general population.

Variability

The degree to which scores in a set of data are spread out or dispersed, indicating the diversity or difference in a group of observations.

Heritability

a statistic that indicates what proportion of the variation in a trait within a population can be attributed to genetic differences among individuals.