
Aula QUI 02Nov2021
Authored by Catarina Trindade
Chemistry
University
Used 9+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um catião é
elemento químico
átomo que ganhou um electrão
ião positivo
ião negativo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os elementos dos grupos I e II da Tabela Periódica dão, geralmente, origem a
catiões
gases
aniões
halogéneos
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A fórmula química do cloreto de magnésio é
MgO
MgCl
Mg2Cl2
MgCl2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O ião monoatómico mais estável do Fluor é
F2-
F-
F+
F2+
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Colocar os elementos por ordem crescente de Raio atómico: K, Na, Li, Cs
Na < Li < K < Cs
Li < Na < K < Cs
Cs < k < Na < Li
Li < K < Na < Cs
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A configuracão electrónica do Ca é:
1s2 2s2 2p6 3s2 3p8
1s2 2s2 2p6 3s2 3p6 4s2
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p4 3s4 3p6 4s2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma molécula é
um sólido
um conjunto de átomos
um conjunto de electrões
um conjunto de elementos químicos
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