
No kā sastāv vielas?
Authored by Laura Martinova
Science
8th Grade
Used 6+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kāds ir dotā elementa (Stroncijs) simbols?
Sc
Se
Sr
Si
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No kādiem atomiem sastāv O2?
skābekļa
hēlija
ksenona
rādija
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vissīkākās ķīmiski nedalāmās vielas daļiņas sauc par..
elektroniem
ciklotroniem
pozitroniem
atomiem
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kāda ir Fluora (F) vērtība?
II
I
III
IV
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No kā sastāv molekula?
atomiem
elektroniem
protoniem
neitroniem
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kāds ir eletronu skaits Silīcijam (Si)?
13
3
14
28
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kāds ir protonu skaits Skandijam (Sc)?
44
21
4
3
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