How Many Electrons Can the 7th Energy Level Hold? Explained

Discover how many electrons the 7th energy level can hold using the 2n² formula. Learn basic atomic structure and electron capacity now.

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The 7th energy level of an atom can hold up to 98 electrons. This is calculated using the formula 2n^2, where n represents the principal quantum number, or energy level number. For the 7th energy level, the calculation is 2*(7^2) = 98 electrons.

FAQs & Answers

  1. What formula determines the number of electrons in an energy level? The formula 2n² determines the maximum number of electrons that can occupy an energy level, where n is the principal quantum number of the energy level.
  2. Why can the 7th energy level hold 98 electrons? Using the formula 2n², and substituting n = 7, we get 2 × 7² = 2 × 49 = 98, which is the maximum number of electrons the 7th energy level can hold.
  3. What is the principal quantum number? The principal quantum number, represented as n, indicates the main energy level or shell an electron occupies in an atom.

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