
Atomul
Authored by Tunde Lakatos
Chemistry
7th Grade
Used 47+ times

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28 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Atomul este:
particula materiala
particula cea mai mica dint-o substanta care nu se mai poate fragmenta.
particulă invizibilă
particula sferică
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Atomul are următoarele parți componente:
înveliș electronic,nucleu
nucleu,straturi exterioare
nucleu,înveliș electronic
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Care sunt particulele care constituie structura internă a atomului?
protoni,neuroni,pozitroni,electroni.
protoni,neutroni,neutrini.
protoni,neutroni,electroni
toate răspunsurile sunt corecte
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Sarcina electrică a nucleului este:
pozitivă
negativă
neutră
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Sarcina invelișului electronic este:
pozitivă
negativă
neutră
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Un element chimic este format:
atomi diferiți
același tip de atomi
atomi amestecați
totalitatea atomilor de același tip
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Particula pozitivă din atom este:
protonul
neutronul
nucleonul
electronul
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