hóa trị
Authored by Trang Quỳnh
Chemistry
8th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị của gốc hydroxyl(-OH)
I
II
III
IV
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị của K
III
IV
I
II
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị của gốc Sulfate (-SO4)
I
IV
III
II
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị của Na
II
I
III
V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm nguyên tử nào sau đây có hóa trị III
OH
CO3
PO4
Cl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử nào sau đâu có hóa trị II
K
Ba
Na
OH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị của gốc CO3
VII
IV
II
III
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