17 h 26 m, 9 nov 2025 ano - Références

Descrição:

Atomic Structure Timeline (https://atomictimeline.net/) ; Timeline of Electrical and Electronic Engineering (https://en.wikipedia.org/wiki/Timeline_of_electrical_and_electronic_engineering) ; Periodic Table History (https://www.lenntech.com/periodic/history/history-periodic-table.htm) ; Histoire du tableau périodique (https://www.lenntech.fr/periodique/histoire/data-perio/histoire-tableau-periodique.htm)

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