8 сынып тапсырма
Quiz
•
Chemistry
•
6th - 8th Grade
•
Practice Problem
•
Hard
Ауезханова Күнайым
Used 8+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Жай заттың формуласы:
P4
PH3
P2O3
PCl3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Са атомындағы энергетикалық деңгейлердің саны
3
1
4
2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Берілген энергетикалық деңгейдегі электрондардың максимал саны анықталатын теңдеу
N=2n
N=n2
N=2n2
n =N2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Мына электрондық формула 1s22s22p2 сәйкес келеді:
калий атомына;
азот атомына;
S 6+ ионына;
көміртек атомына;
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Электроны 6, протоны 6, нейтроны 6 –ға тең элемент атомының салыстырмалы атомдық массасы :
12
14
19
39
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Молекулалық массасы үлкен:
HNO3
LiNO3
NaNO3
RbNO3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na2SO4 тұзының аты:
натрий сульфиді;
натрий сульфиті
натрий хлориді;
натрий сульфаты;
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