Balmer series

== English == === Etymology === For Johann Jakob Balmer, Swiss mathematician. === Noun === Balmer series (plural Balmer series) (physics) The set of spectral lines of the hydrogen atom that correspond to transitions involving a principal quantum number n=2 ==== Related terms ==== Balmer line Balmer formula === See also === Lyman series Paschen series Brackett series Pfund series Humphreys series