Assinale a alternativa incorreta. *
Matéria é tudo o que tem massa e ocupa volume.
...
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Assinale a alternativa incorreta. *
Matéria é tudo o que tem massa e ocupa volume.
Massa e peso são grandezas distintas. A massa é uma medida de quanto de matéria possui um objeto, e o peso é uma medida da força de atração gravitacional sofrida pelo objeto.
O modelo atômico de Dalton tem semelhanças ao modelo atômico descrito poe Leucipo e Demócrito.
Dalton achava que átomos de mesmo elemento não podiam se combinar, pois desenvolviam repulsão mútua.
No modelo atômico de de Leucipo e Demócrito, os elétrons possuíam cargas negativas.
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