
Recuperação - Elementos Químicos
Science
9th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número atômico do oxigênio?
6
8
12
16
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas abaixo representa um elemento metálico?
Cloro
Enxofre
Sódio
Oxigênio
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que indica o número atômico de um elemento químico?
Número de nêutrons
Número de elétrons na última camada
Número de prótons
Massa atômica
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1s² 2s² 2p²
1s² 2s² 2p⁴
1s² 2s² 2p⁶
1s² 2s¹ 2p³
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das opções abaixo é uma propriedade típica dos metais?
Má condutividade elétrica
Maleabilidade
Quebradiço
Não reage com ácidos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o nome do elemento químico de símbolo "Na"?
Nitrogênio
Sódio
Níquel
Neônio
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a massa atômica aproximada do elemento oxigênio?
1 u
8 u
16 u
32 u
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