Radium-226 Decays into Radon-222 Plus an Alpha Particle

question 74

Multiple Choice

Radium-226 decays into radon-222 plus an alpha particle. How much energy is released in this process? 1 u = 931.494 MeV/c². The relevant mass values are: , 4.002603 u; , 222.017570 u; , 226.025402 u.

• A)4.24 MeV
• B)3.76 MeV
• C)4.87 MeV
• D)5.05 MeV
• E)5.39 MeV

---

Definitions:

Psychological Testing

The practice of administering tests designed to measure cognitive, emotional, and behavioral functions in individuals.

Personnel Psychology

A branch of psychology that focuses on the workplace, including hiring, training, employee development, and organizational performance.

Clinical Psychology

The branch of psychology that focuses on diagnosing and treating mental, emotional, and behavioral disorders.

Ph.Ds.

Doctor of Philosophy degrees, advanced academic degrees awarded by universities to individuals who have completed a program of study and research in their specific field of study.