Structura atomului - clasa a VII-a
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
Giurgea Gabriela
Used 57+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Atomul:
este cea mai mică particulă dintr-o substanță simplă
are două părți distincte
este neutru din punct de vedere electric
este invizibil
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Partea centrală a atomului se numește:
înveliș de electroni
nucleu
centru
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Particulele nucleare pot fi:
protoni
nucleoni
electroni
neutroni
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Protonul:
are simbolul „p+”
are sarcina electrică relativă +1
are sarcina electrică relativă -1
are masa relativă neglijabilă
are masa relativă 1
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Neutronul:
are simbolul „n0”
are masa relativă 1
are sarcina elecrică relativă -1
nu are sarcină electrică(0)
are masa relativă neglijabilă
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Electronul
se găsește în nucleu
are sarcina relativă -1
are masa relativă 1
are masa relativă 0
se deplasează cu viteză foarte mare în jurul nucleului
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Numărul protonilor din nucleu se numește
număr atomic
număr de masă
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