TRIMESTRE 2QUIMICA24

TRIMESTRE 2QUIMICA24

9th - 12th Grade

22 Qs

quiz-placeholder

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TRIMESTRE 2QUIMICA24

TRIMESTRE 2QUIMICA24

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

Created by

cheguelolo rau

Used 4+ times

FREE Resource

22 questions

Show all answers

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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