23.2.2—Radioactive decay is both spontaneous and random

understand that radioactive decay is both spontaneous and random.

Use —radioactive decay is both spontaneous and random to connect the rule to the data and decision in the question.

This matters because —radioactive decay is both spontaneous and random determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply —radioactive decay is both spontaneous and random to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: —Radioactive decay is both spontaneous and random is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.