The maximum number of electrons in the third orbit are _____?

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The maximum number of electrons in the third orbit are _____? Answer: 18

According to the formula 2n², where n is the orbit number, the third orbit (n = 3) can hold a maximum of 2 × 3² = 18 electrons.

Question context

This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.