
Química: Tabela, Sais e Núcleo
Authored by NATHALIA DIAMANTE
Science
9th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o símbolo químico do elemento Oxigênio na tabela periódica?
O
Ox
Og
Om
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a base conjugada do ácido clorídrico (HCl)?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a função principal do núcleo celular?
Produzir energia para a célula
Controlar as atividades celulares e armazenar o DNA
Realizar a digestão de substâncias
Transportar substâncias para fora da célula
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sulfato de sódio
Cloreto de sódio
Nitrato de sódio
Fosfato de sódio
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número atômico do elemento Cálcio (Ca) na tabela periódica?
12
20
24
26
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula química do hidróxido de potássio?
KOH
NaOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a carga do íon sódio (Na) quando forma um sal?
+1
-1
+2
-2
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