
teste modelo ptdn243
Authored by Ensino Profissional
Chemistry
9th Grade
Used 5+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Escolha a opção verdadeira
O magnésio (Mg) é um elemento que pertence ao grupo dos metais alcalinos.
O flúor (F) pertence ao último grupo da Tabela Periódica.
Os átomos de lítio (Li) e potássio (K), ambos pertencentes ao grupo dos metais alcalinos, possuem o mesmo número de eletrões de valência.
[A] Os elementos do mesmo grupo têm diferente número de eletrões de valência.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A que grupo e período pertence um elemento com a distribuição eletrónica 2-8-8?
18.° grupo e 3.° período
18.° grupo e 2.° período
1.° grupo e 3.° período
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que são as linhas horizontais na Tabela Periódica?
Camadas
Períodos
Números
Traços
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Quantos elementos existem atualmente na tabela periódica?
92
110
118
130
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A tabela periodica tem um total de quantos elementos ?
92 elementos
118 elementos
50 elementos
10 elementos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o símbolo químico do Cobre?
Cu
Ag
Co
CU
7.
OPEN ENDED QUESTION
30 sec • Ungraded
Palavra Passe
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