L'àtom

L'àtom

8th Grade

24 Qs

quiz-placeholder

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L'àtom

L'àtom

Assessment

Quiz

Chemistry

8th Grade

Hard

Created by

Amparo Gallart

Used 7+ times

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24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si un àtom neutre té 20 protons, quants electrons té?

20

21

19

22

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Un element químic amb nombre atòmic 13, quants protons té??

no ho podem saber

13

26

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si el nombre atòmic d'un element és 17. Quants electrons tindrà si és neutre?

17

16

18

No puc saber-ho

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si el nombre màssic d'un element és 17, quants neutrons té?

19

15

17

No ho puc saber

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El nucli d'un àtom està format per:

protons

protons i electrons

neutrons i protons

neutrons

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

En quin any es va descobrir el model atòmic de Dalton?

1897

1806

1808

1911

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

En quin model atòmic apareixen per primera vegada els neutrons?

Model atòmic de Rutherford

Model atòmic de Bohr

Model atòmic de Thomson

Model atòmic de Dalton

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