Número de Oxidação (NOX)
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Adriana Uece
Used 6+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é o número de oxidação (NOX)?
Doação de elétrons de bases para ácidos.
Doação e/ou recepção de elétrons de um átomo para outro.
Somente recepção de elétrons de um átomo à outro.
Recepção de elétrons de um átomo de uma molécula para outra.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um composto iônico, o nox será POSITIVO se?
Se o átomo ganhar prótons.
Se o átomo ganhar elétrons.
Se o átomo perder elétrons.
Se o átomo perder nêutrons.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na escala de eletronegatividade dos metais, qual elemento é MAIS eletronegativo?
F (flúor)
H (hidrogênio)
I (iodo)
N (nitrogênio)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o NOX de um elemento em uma substância simples. Ex: H2 ?
3
0
2
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O NOX do hidrogênio é +1, com exceção...?
Dos ácidos
Das bases
Dos hidretos
Dos peróxidos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os metais alcalinos na forma de íons apresentam Nox ?
+2
+1
+3
+4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os metais alcalinos terrosos apresenta NOX?
+1
+4
+3
+2
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