
Süsinik, lihtsamad süsinikuühendid
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Maarja Kruus
Used 127+ times
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12 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Millised on süsiniku aatomi keemilised omadused? (mitu õiget vastust)
Kuulub perioodilisustabeli IVA rühma 2 perioodi
Moodustab ioone
Ei moodusta positiivse ega negatiivse laenguga ioone
Kuulub perioodilisustabeli IIA rühma 1 perioodi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Süsinik on mittemetalliline element.
Õige
Vale
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline lausetest on tõene?
Süsiniku aatom saab ainult liita elektrone.
Süsiniku aatomi väliskihil on 4 elektroni ja ta moodustab peaaegu alati 4 kovalentset sidet.
Süsinik ei moodusta kovalentset sidet.
Süsinik saab loovutada maksimaalselt 5 elektroni.
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Kus leidub süsinikku? (mitu õiget vastust)
Atmosfääris, looduslikus vees
Väävelhappes, keedusoolas
Eluslooduses, mullas
Destilleeritud vees
Bensiinis
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on atmosfääris peamiseks süsinikuühendiks?
Ca(HCO3)2
CaCO3
CH4
CO2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mis on allotroopsed teisendid?
Ained, mis erinevad üksteisest ainult aatomite paigutuse või molekulis olevate aatomite arvu, mitte elementkoostise poolest.
Ained, mis erinevad üksteisest elementkoostise poolest, molekulis olevate aatomite arv on sama.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millised neist on süsiniku allotroopsed teisendid?
Süsinikoksiid ja süsinikdioksiid
Teemant ja grafiit
Lubjakivi, marmor
Nafta, maagaas
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