
Distribuição Eletrónica
Authored by Maria João Ferreira
Chemistry
9th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Os eletrões de valência são…
a) os que se encontram mais próximos do núcleo.
b) os que se encontram em camadas interiores.
c) os que se encontram no último nível.
d) sempre os que se encontram no nível 7.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A distribuição eletrónica de um átomo é 2 : 6, pelo que se pode afirmar que esse átomo
a) tem 6 eletrões de valência.
b) tem 8 eletrões de valência.
c) tem 2 eletrões de valência.
d) não tem eletrões de valência.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A distribuição eletrónica do átomo de cálcio (𝑍 = 20), é…
a) 2 : 8 : 10
b) 2 : 9 : 8 : 1
c) 2 : 8 : 7 : 1
d) 2 : 8 : 8 : 2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A distribuição do ião magnésio é
a) 2 : 8 : 2
b) 2 : 8
c) 2 : 8 : 4
d) 2 : 6 : 2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5. O átomo com número atómico 16, tem tendência a formar um ião dinegativo. A distribuição eletrónica do ião é…
a) 2 : 8 : 4
b) 2 : 8 : 6
c) 2 : 8 : 8
d) 2 : 8 : 5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o número de protões do ião representado ao lado
20
22
42
18
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual a distribuição eletrónica no estado fundamental que está correta, para a partícula que se segue:
2-8-8
2-4
8-2
2-8
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