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Quotes from The Origins of the Conception of Isotopes — Frederick Soddy

1877–1956 England

← All quotes by Frederick Soddy

7 quotes

The chemical and spectroscopic character is that of the atom during its normal.., uneventful life, whilst its radioactive character is... produced by its sudden death.

The Origins of the Conception of Isotopes (1922)

The history of isotopes fittingly commences with the discovery of radio-thorium, a new product in the thorium disintegration series, by Sir William Ramsay and Otto Hahn in 1905...

The Origins of the Conception of Isotopes (1922)

In investigating the radioactivity of thorium compounds, we found that a constituent responsible for the greater part of its radio-activity could be separated by the use of specific reagents.

The Origins of the Conception of Isotopes (1922)

Radioactive character provides as fine a criterion for quantitative and qualitative analysis as any of the chemical and spectroscopic tests...

The Origins of the Conception of Isotopes (1922)

What is so very simple and clear to us today at first had a very... puzzling character...

The Origins of the Conception of Isotopes (1922)

In 1905 also the discovery by [Tadeusz] Godlewski of actinium X, an intermediate product between actinium and its emanation, in every way analogous to thorium X, was the commencement of the recognition of the general analogies that existed in the three series.

The Origins of the Conception of Isotopes (1922)

I [will] try to disentangle the real origins of the conception of isotopes.., so far... as I have been connected...

The Origins of the Conception of Isotopes (1922)

Attribution

Quotes and notes from Wikiquote: Frederick Soddy (page history), available under CC BY-SA 4.0.