Plutonium-239 Decays into Uranium-235 Plus an Alpha Particle

question 18

Multiple Choice

Plutonium-239 decays into uranium-235 plus an alpha particle.The energy released in the process is 5.24 MeV.Given the following mass values He: 4.002603 u U: 235.043924 u what is the mass of Pu in atomic mass units? (1 u = 931.494 MeV/c²)

• A) 239.05215 u
• B) 239.02775 u
• C) 239.00189 u
• D) 238.99919 u
• E) 238.98884 u

---

Definitions:

Second If-Else Statement

A subsequent conditional statement in a program that executes one block of code if its condition is true, otherwise executes another block of code.

Indentation

The practice of using spaces or tabs at the beginning of lines of code to make the structure and hierarchy clearer.

Equality Operator

A relational operator that checks whether its two operands are equal, usually represented by ==.

Disadvantages

Drawbacks or limitations that might hinder functionality, performance, or applicability in various contexts including software, hardware, or algorithmic designs.