Penemuan unsur kimia: Perbedaan antara revisi

|[[Friedrich Woehler|Friedrich Wöhler]]. Independently discovered by [[A.A.B. Bussy]]

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|[[1839]]-41

|[[Carl Gustaf Mosander]]

|[[Carl Gustaf Mosander]]

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|[[1844]]

|[[Karl Klaus]]

|First identified by its red spectroscopic emission line.

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|[[1861]]

|[[Sir William Crookes]]

|First identified by astronomers as an emission line in the spectrum of the sun.

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|[[1875]]

|[[Paul Emile Lecoq de Boisbaudran]]

|[[Per Teodor Cleve]]

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|[[1879]]

|[[Lars Fredrik Nilson]]

|The didymium isolated by Mosander in [[1839]] was shown to be two separate elements; praseodymium and neodymium.

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|[[1885]]

|[[Carl Auer von Welsbach]]

|[[Mendeleev's predicted elements|Predicted]] by [[Mendeleev]] in 1871 as ekasilicon.

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|[[1886]]

| [[Joseph Henri Moissan]]

|Separated from liquid argon by difference in boiling point.

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|[[1898]]

|Sir [[William Ramsay]]