
Modele atomice
Authored by Petru-Doru Balan
Science, Physics
11th Grade
Used 9+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Într-un atom
Nr. de protoni este mai mare decât nr. de neutroni
Nr. de protoni este egal cu nr. de neutroni
Nr. de protoni este mai mare decât nr. de electroni
Nr. de protoni este egal cu nr. de electroni
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Atomul este constituit din
o zona centrala, numita invelis electronic si o zona periferica, numita nucleu
o zona centrala, numita nucleu si o zona periferica, numita invelis electronic
invelis electronic, format din protoni si neutroni
mai multe molecule identice
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Conform modelului lui Bohr,
energia electronului in atom ia doar valori bine determinate
energia electronului in atom ia orice valoare
energia electronului in atom este intotdeauna pozitiva
energia electronului in atom depinde de viteza de rotatie a nucleului
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Thomson considera ca
Nucleul atomic ocupa intregul volum al atomului
Nucleul atomic ocupa jumatate din volumul atomului
Nucleul atomic se afla in afara atomului
Nucleul atomic contine electroni
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rutherford a demonstrat experimental că
nucleul atomului are dimensiuni de circa 10-10 ori mai mici decat atomul
nucleul atomului are dimensiuni de circa 10-10 ori mai mari decat atomul
nucleul atomului are dimensiune egala cu dimensiunea atomului
nucleul atomului are dimensiuni de circa 20 ori mai mici decat atomul
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Conform teoriei lui Bohr
Atomul poate emite energie in orice conditii
Atomul nu poate emite energie
Atomul poate emite energie doar la trecerea dintr-o stare stationara in alta stare stationara
Atomul nu emite energie decat extrem de rar
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Nucleul atomic este compus din
protoni, electroni
protoni, neutroni
eletroni, neutroni
protoni, neutroni, electroni
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