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1894–1898 – William Ramsay Aporte: Descubrió los gases nobles (neón, argón, kriptón, xenón). Explicación: Estos no reaccionaban con otros elementos, lo que llevó a añadir una nueva columna a la tabla. (1 Jan 1894 Jahr – 1 Jan 1898 Jahr)

Zugefügt zum Band der Zeit:

tabla periodica

ByFabrizio
2 Tagen zuvor
0
0
21

Datum:

1 Jan 1894 Jahr
1 Jan 1898 Jahr
~ 4 years
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