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13 Mai 1887 Jahr - The english scientist Henry Moseley ( !887 - 1915 ) discovered that atoms of each element contain a unique positive charged

Beschreibung:

Henry Mendeleev

Zugefügt zum Band der Zeit:

Jamiyah Polite & Anyliah Middleton

13 Okt 2017

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703

Datum:

13 Mai 1887 Jahr

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~ 138 years ago

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