Moléculas
Authored by Nuno Vaz
Chemistry
8th Grade
Used 5+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A molécula representada na figura é composta por...
...dois átomos
...seis átomos
...oito átomos
...dez átomos
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual das seguintes fórmulas químicas corresponde ao modelo representado na figura?
H2O
C2H6O
NH3
C2H6
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
O dicloro é uma substância composta
Verdadeiro
Falso
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Indica qual dos seguintes modelos moleculares corresponde a uma substância elementar:
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A fórmula química do tetracloreto de carbono é...
H2O
H2O2
O3
CCl4
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qual dos seguintes modelos moleculares corresponde à fórmula química CCl4?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
O dióxido de carbono é uma substância composta pelos elementos químicos...
cloro e hidrogénio
carbono e hidrogénio
carbono e oxigénio
carbono e nitrogénio
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