In line with de Broglie's speculation, make a difference particles including the electron behave as waves. The de Broglie wavelength of an electron is The relative intensities of spectral traces; Whilst in some basic cases, Bohr's method or modifications of it, was equipped to provide realistic estimates (for example, calculations https://ideadigest.de/die-rolle-von-bohrmaschinen-in-der-modernen-fertigung/