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This is a Bohr model of the atom. This model was proposed by Niels Bohr in 1913. It is not completely correct, but has many features that are sufficient for a general understanding. In this representation, the electrons are rotating in a 2D plane unlike the Bohr model which suggests the electrons move in a 3D path around the nucleus. The 2D representation is for simplicity>

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A 3d visualization of periodic table. This 3d representation has a table view which shows initially and an atomic view. Click on each element to explore atomic view.

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0:00 / 3:29•Watch full video

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Pieces are randomly rotated, see Help if you need.

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Played: 1 | Created: Nov 5, 2021

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Tabela-periodica - jigsaw puzzle (32 pieces)

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North Carolina School of Science and Mathematics

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Tabela Periódica, uma breve história

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0:00 / 16:12•Watch full video

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Como está organizada a Tabela Periódica? | grupos, períodos e blocos | Exercícios | 10Q1.3