
Símbolos e formulas químicas
Authored by adolfina sequeira
Architecture, Chemistry
8th Grade
Used 29+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o símbolo químico da Prata?
Ag
AG
ag
Pa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos átomos de carbono existem na molécula de dióxido de carbono?
2
3
1
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o nome do composto?
Metano
Água
Oxigénio
Amoníaco
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O3 é o símbolo químico do Oxigénio.
Verdadeiro
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 H2 representa...
... 3 átomos de hidrogénio.
... 3 moléculas de hidrogénio.
...6 átomos de hidrogénio.
6 moléculas de hidrogénio.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Representa simbolicamente 3 moléculas de água
3H2O
3HO
H3O
OH2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a fórmula química do metano?
C2H2
CH4
C2H6
NH3
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