
Тест по теме: "Кислород"
Authored by Ирина Кизилова
Chemistry
8th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Химический символ кислорода
O
O2
H
C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Относительная атомная масса кислорода
12
1
32
16
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Химическая формула молекулы кислорода
H
O
O2
H2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько кислорода в природе?
32%
77%
21%
49%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность кислорода
I
II
III
VI
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько кислорода в воздухе ?
49%
21%
77%
50%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Число протонов в атоме кислорода
16
32
8
24
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