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Atomul.Structura atomului. Chimie- clasa a VII-a

Authored by ionela Mihu

Chemistry

7th Grade

Used 16+ times

Atomul.Structura atomului. Chimie- clasa a VII-a
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Atomul este:

o substanta

cea mai mica particula dintr-o subtanta

poate fi divizat prin procedee chimice specifice

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Atomul este format din:

electroni care nu graviteaza in jurul nucleului

neutroni

nucleu-partea externa a tomului

invelisul electronic

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Atomul este...? (a)   din punct de vedere electronic

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Numarul A este:

masa reala a atomului

numar de masa

numarul total de protoni si electroni

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Nucleul este:

partea centrala a unui atom

negativ din punct de vedere electric

pozitiv din punct de vedere electric

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Sarcina electrica este formata din numarul (a)   ?

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Numarul Z este:

numarul protonilor dintr-un atom

numarul neutronilor dintr-un atom

numarul electronilor dintr-un atom

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