Quiz Topzero
Quiz
•
Chemistry
•
1st - 12th Grade
•
Hard
Mikaelly Cavalcanti
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(UNI-RIO) O dióxido de carbono (CO2) é um gás essencial no globo terrestre. Sem a presença desse gás, o globo seria gelado e vazio. Porém, quando ele é inalado em concentração superior a 10%, pode levar o indivíduo à morte por asfixia. Esse gás apresenta em sua molécula um número de ligações covalentes igual a:
4
1
2
3
o
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dos compostos abaixo, qual não realiza ligação iônica?
NaCl
MgCl2
CaO
HCl
Na2O
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(Covest-PE) Assinale a alternativa que apresenta composto com ligação química essencialmente iônica?
NaCl
CO2
HCl
H2O
CH4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na classificação periódica, a família formada por elementos que originam cátions exclusivamente bivalentes é:
7 A
6 A
3 A
2 A
1 A
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uma ligação covalente normal é feita por:
elétrons de apenas um dos átomos.
um elétron de cada átomo.
pontes de hidrogênio.
partículas alfa.
partículas beta.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Símbolo químico do oxigênio:
OX
Ox
O
G
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Símbolo químico do cloro:
Cl
CL
C
L
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