
TRIMESTRE 2QUIMICA24
Authored by cheguelolo rau
Chemistry
9th - 12th Grade
Used 4+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Quantos eletroes, Protoes e neutroes tem os seguintes ions 168O-2 e...........
e=9; p=8; n=6
e= 10;p =8; n= 8
e= 11; p= 8; n=8
e= 4; p= 8; n=8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A ultima camada de atomo 3X e.............
2S3
2S5
2S1
2S2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a massa molecular desse composto (K2SO4 ). Dados: MA K=39u; MA S=32u; MA O= 16u e....................
180u
174u
147u
184u
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos eletroes,protoes e neutroes tem os seguintes ions 4020Ca+2 e..........
e=17;p=20;n=20
e=18;p=20;n=20
e=20;p=20;n=20
e=18;p=19;n=20
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomo X e 19 Protoes,21 neutroes e 19 eletroes. Quantos numero de massa atomico e........
40
45
43
48
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a massa molecular deste composto ( CO2 ). Dados: MA C =12u e MA O= 16u e..........
45u
47u
44
28u
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Estabeleca a configuracao eletronica desse elemento 10X e correta e.........
1S2 2S6 2S2
1S2 2S2 3S2 2P4
1S2 2S3 3S2 3P3
1S2 2S2 2P6
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