2 (ІІА) топ элементтерінің сыртқы энергетикалық деңгейінде неше электрон болады?

2(ІІА) топ элементтері

Quiz
•
Chemistry
•
10th Grade
•
Medium
Индира Алшимбаева
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 (ІІА) топ элементтері қосылыстарында қандай тотығу дәрежесін көрсетеді?
-1
+1
-2
+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Магнезит формуласы
MgCO3
CaCO3
CaCO3*MgCO3
CaSO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.Құрамында 10 % қоспасы бар 5 кг әктасты өртегенде көмірқышқыл газының СО2 қандай көлемі (қ.ж.) түзіледі?
980
1008
960
1002
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Be+H2SO4 (сұылт) →реакция нәтижесінде қандай заттар түзіледі?
BeSO4+H2↑
BeSO2+H2↑
BeSO4+H2O
BeSO3+H2↑
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Әк суының формуласы
CaO
Ca(OH)2
CaCO2
CaSO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ғаныш (гипс) формуласы
СaSO4
CaSO4*H2O
CaSO4*2H2O
CaSO4*3H2O
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