
Quiz despre Atom și Nucleu
Authored by Iacob Victor
Chemistry
1st Grade
Used 7+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce este atomul?
Cea mai mică unitate constitutivă a unui element
O substanță solidă
O moleculă mare
Un tip de gaz
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce conține nucleul atomic?
Numai electroni
Electroni și protoni
Numai neutroni
Protoni și neutroni
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce reprezintă numărul atomic (Z)?
Numărul de protoni din atom
Numărul de neutroni
Numărul total de nucleoni
Numărul de electroni
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce este un izotop?
Nuclizi cu același număr atomic
Nuclizi cu număr diferit de protoni
Un tip de gaz
O moleculă de apă
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este sarcina electrică a unui atom neutru?
0
Pozitivă
Variabilă
Negativă
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce unitate se folosește pentru masa atomică?
Tonă
Unitate atomică de masă (u.a.m.)
Kilogram
Gram
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce forță este cea mai puternică dintre cele fundamentale?
Forța nucleară slabă
Forța electromagnetică
Forța gravitațională
Forța nucleară tare
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