Milline sümbol tähistab hapniku molekuli?
7.Ained, kehad, aatomid ja molekulid.

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Science
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7th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
O₂
2.
FLASHCARD QUESTION
Front
Mõiste "aatom" tuleneb
Back
kreeka keelest ja tähendab jagamatut osakest.
3.
FLASHCARD QUESTION
Front
Milline osake on alati negatiivse laenguga?
Back
elektron
4.
FLASHCARD QUESTION
Front
Milline sümbol tähistab vesiniku molekuli?
Back
H₂
5.
FLASHCARD QUESTION
Front
Milline väidetest on VALE?
Back
elektronid on sama suured kui prootonid ja neutronid.
6.
FLASHCARD QUESTION
Front
Mis on aatomi koostisosad?
Back
Aatom koosneb prootonitest, neutronitest ja elektronidest.
7.
FLASHCARD QUESTION
Front
Kuidas on seotud aatomid ja molekulid?
Back
Molekulid koosnevad kahest või enamast aatomist, mis on omavahel seotud.
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