
Тест по химии — перевод и решения
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Maral Marall
Used 2+ times
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57 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Оксиды, реагирующие с водой с образованием основания (щелочи).
K2O, BaO, SrO
CO, Al2O3, FeO
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Реагируют с водой с образованием оксида/гидроксида:
Hg
Zn
Ca
Na
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Максимальное количество электронов на 4 энергетическом уровне
32
16
24
8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько изотопов у водорода?
3
4
2
1
5.
MATCH QUESTION
30 sec • 1 pt
Сопоставьте: знак элемента, электронная формула, формула высшего оксида.
RO2
1s2 2s2 2p6 3s2 3p1
RO
1s2 2s2 2p6 3s2 3p5
RO
1s2 2s2 2p6 3s2 3p2
RO2
1s2 2s2 2p6 3s2 3p6 4s2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ряд металлов.
P, Ag
Ca, Cu
Fe, C
K, O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Активный металл
F
Ag
Mg
K
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