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Evaluare - atom

Authored by Stancu Valeria

Chemistry

7th Grade

Used 3+ times

Evaluare - atom
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ce formă are atomul?

de cerc

sferică

hexagonală

dreptunghiulară

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Atomul este format din nucleu şi înveliş de electroni.

Adevărat

Fals

3.

DRAW QUESTION

3 mins • 1 pt

Desenaţi şi notaţi straturile învelişului de electroni.

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4.

FILL IN THE BLANKS QUESTION

45 sec • 1 pt

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Câţi protoni are atomul din imagine?

(a)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elementul ce conţine 8 protoni şi 8 electroni este....

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6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Alegeţi răspunsurile corecte privind atomul de sodiu din imaginea alăturată.

11 protoni

10 protoni

11 electroni

10 electroni

7.

FILL IN THE BLANKS QUESTION

45 sec • 1 pt

Scrieţi suma protonilor şi electronilor pentru atomul de Mg (Z=12, A=24).

(a)  

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