O que é um elemento químico?

Avaliação Modelos Atômicos e Elementos Químicos

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Chemistry
•
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Um conjunto de átomos com o mesmo número atômico, quimicamente idênticos.
2.
FLASHCARD QUESTION
Front
Quantos modelos atômicos científicos existem?
Back
Existem 4 modelos atômicos científicos.
3.
FLASHCARD QUESTION
Front
Qual modelo atômico é descrito como 'pudim de passas'?
Back
Modelo de Thomson.
4.
FLASHCARD QUESTION
Front
O que representa o número atômico (Z)?
Back
A quantidade de prótons que o átomo possui.
5.
FLASHCARD QUESTION
Front
Qual parte do átomo não possui carga elétrica?
Back
Nêutron.
6.
FLASHCARD QUESTION
Front
Qual é a carga elétrica de um próton?
Back
Positiva.
7.
FLASHCARD QUESTION
Front
Qual é a carga elétrica de um elétron?
Back
Negativa.
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