The Lyman series results from transitions of the electron in hydrogen in which the electron ends at the n=1 energy level. Using the Rydberg formula for the Lyman series, calculate the wavelength 2→1 of the photon emitted in the transition from the n=2 energy state. Give an answer in units of nanometers (nm).

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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