Question

the process of splitting an atom into two lighter atoms is called nuclear

a) separation.
b) disintegration.
c) fusion.
d) fission.

Explanation:

Analyze the definition of splitting an atom

The question asks for the term that describes the process of splitting a heavy atomic nucleus into two lighter nuclei.

Evaluate the given options

• separation: A general term for dividing substances, not a specific nuclear process.
• disintegration: Refers generally to decaying or breaking apart, but is not the specific scientific term for splitting an atom.
• fusion: The process of combining two light nuclei to form a heavier nucleus.
• fission: The specific scientific term for splitting a heavy nucleus into lighter nuclei.

Answer:

• (A) separation.
• (B) disintegration.
• (C) fusion.
• (D) fission. (Correct answer)