7.klass perioodilisustabel
Authored by Kairit Loodus
Chemistry
7th Grade
Used 1+ times
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20 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kõik ained koosnevad ...
Prootonid
Neutronid
Molekulid
Aatomid
2.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
Kõige väiksem aineosake on
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mille kaudu prootonid ja elektronid teineteist mõjutavad?
Massi
Kokkupuute
Laengu
4.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
Aatomi keskel on ...
(a)
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Millest koosneb aatomituum?
Elektronidest
Prootonitest
Neutronitest
Aatomitest
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Tuuma ümber asuvad negatiivse laenguga ...
(a)
7.
FILL IN THE BLANKS QUESTION
45 sec • 1 pt
Elemendi määrab ... arv tuumas.
(a)
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