"The emitters of the spectral series are without exception single atoms, not compounds of atoms"
About this Quote
The specific intent is methodological and polemical at once. "Without exception" is doing a lot of work. It's the language of someone tired of caveats, fencing off messy explanations involving molecules or compounds and pushing the reader toward a more radical simplicity: spectroscopy is telling us that atoms are discrete actors with their own internal rules. That framing bolsters the emerging atomic picture (and, soon, quantum theory) by treating the spectrum as a property of an individual atom's structure, not a collective chemistry problem.
The subtext is confidence as a tool of persuasion. Spectra had been used to identify elements in flames and stars; tying spectral regularities strictly to single atoms tightens the chain from observation to ontology. It implies that the lab's apparent order isn't an accident of experimental conditions but a fundamental fact about matter.
Context matters: Stark worked in an era when physics was turning from continuous models to quantized ones, and spectroscopy was among the most unforgiving judges. His own name is attached to the Stark effect (field-induced line splitting), which only deepens the irony: even "single atoms" reveal complexity when you push them. The line reads as both a boundary marker and a dare to anyone who thinks chemistry can explain away physics.
Quote Details
| Topic | Science |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Stark, Johannes. (2026, January 15). The emitters of the spectral series are without exception single atoms, not compounds of atoms. FixQuotes. https://fixquotes.com/quotes/the-emitters-of-the-spectral-series-are-without-151572/
Chicago Style
Stark, Johannes. "The emitters of the spectral series are without exception single atoms, not compounds of atoms." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/the-emitters-of-the-spectral-series-are-without-151572/.
MLA Style (9th ed.)
"The emitters of the spectral series are without exception single atoms, not compounds of atoms." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/the-emitters-of-the-spectral-series-are-without-151572/. Accessed 21 Feb. 2026.

