## EnglishEdit

### EtymologyEdit

For Johann Jakob Balmer, Swiss mathematician

### NounEdit

- (physics) The set of spectral lines of the hydrogen atom that correspond to transitions involving a principal quantum number n=2

Last modified on 16 June 2013, at 23:19
## EnglishEdit

### EtymologyEdit

### NounEdit

### See alsoEdit

For Johann Jakob Balmer, Swiss mathematician

- (physics) The set of spectral lines of the hydrogen atom that correspond to transitions involving a principal quantum number n=2