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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
233536
20353
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1 Jan 1912 Jahr - J.J. Thomson discovered neon was composed of two different kinds of atoms, and proved the existence of isotopes in a stable element.

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Datum:

1 Jan 1912 Jahr
Jetzt
~ 112 years ago