Što je atom, kako označiti atome, 2021
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Gotovo sva masa atoma je u:
elektronskom omotaču
atomskoj jezgri
protonima
elektronima
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Što čini jezgru atoma?
elektroni i protoni
protoni i neutroni
samo protoni
samo elektroni
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Naboj elektronskog omotača je:
pozitivan jer je građen od pozitivno nabijenih protona i neutralno nabijenih neutrona
pozitivan jer je građen od pozitivno nabijenih protona
neutralan jer je građen od neutralno nabijenih neutrona
negativan jer je građen od negativno nabijenih elektrona
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Koja je oznaka za neutron?
e-
p+
n0
n-
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zašto je atom neutralna čestica?
zato što ima jednak broj protona i elektrona
zato što ima jednak broj protona i neutrona
zato što ima jednak broj neutrona i elektrona
zato što ima najviše broja neutrona
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oznaka za maseni(nukleonski) broj je:
Z
A
N
M
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Oznaka za protonski(atomski ili redni) broj je:
Z
A
N
M
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