
Atomul.Structura atomului. Chimie- clasa a VII-a
Authored by ionela Mihu
Chemistry
7th Grade
Used 16+ times

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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 BLANK 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 BLANK 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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