química

Flashcard
•
Science
•
3rd Grade
•
Hard
Denise Grando
FREE Resource
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10 questions
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1.
FLASHCARD QUESTION
Front
Qual ácido é tão corrosivo ao ponto de corroer o vidro?
Back
ácido fluoridrico
2.
FLASHCARD QUESTION
Front
Qual a geometria do CH4(metano)?
Back
Tedraédrica
3.
FLASHCARD QUESTION
Front
Qual das alternativas abaixo apresentam apenas ligações do tipo covalente
Back
CO2,H2O e PCl3
4.
FLASHCARD QUESTION
Front
Qual alternativa tem apenas ligações ionicas?
Back
NaCl, CaF e Mg2Cl
5.
FLASHCARD QUESTION
Front
Qual o nome dessa vidraria na imagem?
Back
Erlenmeyer
6.
FLASHCARD QUESTION
Front
Qual dessas alternativas contém apenas substâncias simples?
a) O2,H2 e O3
b) CH4,Ca5 e K
c) H+,H2O e He
d) S2,Cl3 e Al2
Back
O2,H2 e O3
7.
FLASHCARD QUESTION
Front
Os calcogênios possuem a característica de possuirem:
Back
6 eletrons na camada de valencia
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