
Structura atomului

Quiz
•
Chemistry
•
7th Grade
•
Hard
valea moldovan
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomul este format din...
Nucleu și învelișul electronic
nucleu și protoni
protoni și neutroni
protoni și electroni
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomul este
cea mai mică particulă
cea mai mică moleculă
cel mai mic mol
cel mai mic fragment
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În nucleu se găsesc
electroni și protoni
protoni și neutroni
neutroni și electroni
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simbolul chimic al clorului este
P
S
Cl
O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Z se numește
numarul de protoni
numarul de neutroni
numărul atomic
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este formula de aflare a neutronilor (N)
N= Z-A
N = A - Z
Z= A - N
Z = N -A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câți netroni are clorul
35
17
18
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cîte straturi electronice are atomul de Clor
7
3
2
5
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