Валенттілік. Химиялық формулалар.
Quiz
•
Chemistry
•
3rd Grade
•
Hard
Аида Исатайқызы
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сутек атомының валенттілігі
ІІ
ІІІ
І
ІV
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Темір (ІІІ) мен оттек қосылысының химиялық формуласын көрсетіңіз
FeO
NaO
Fe3O4
Fe2O3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Металдардың бейметалдармен қосылыстарының (кальцидің оттекпен, алюминийдің хлормен, натридің күкіртпен (ІІ)) формулаларын табыңыз
CaO,AlCl3,Na2S
CaO, Al2Cl3, Na2S
Ca2O, Al3Cl3, Na3S
CaO, Al2Cl3, Na2S2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Тұрақты ІІ валенттілік көрсететін элементтер қатарын көрсетіңіз
Fe, Ca, Pb, Cl
S, C, P, N
O, Ca, Mg, Be
B, Al, Ba, Zn
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Мына химиялық элементтердің валенттіліктеріне сәйкес заттың формуласын құрыңдар AlO (III), P(V)O(II), B(III)O, Cr(III)Cl
Al2O3, P2O5, B2O3, CrcL3
Al3O3, P2O5, B2O3, CrCl2
Al2O3, P3O5, B2O3, CrCl3
Al2O3, P2O5, B2O3, Cr2Cl3
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