
ÔN TẬP HOÁ TRỊ
Authored by WAYGROUND GROUP
Science
8th Grade
Used 5+ times

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11 questions
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1.
CATEGORIZE QUESTION
3 mins • 1 pt
Sắp xếp các nguyên tố/ nhóm nguyên tử vào hoá trị tương ứng
Groups:
(a) HOÁ TRỊ I
,
(b) HOÁ TRỊ II
,
(c) HOÁ TRỊ III
OH
H
Al
Ca
P
Cl
Ba
Cu
K
Ag
0
Mg
NO3
SO4
Zn
Na
PO4
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Iron (Fe) có những hoá trị nào sau đây?
I
II
III
IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lập CTHH giữa C (IV) và O
CO
CO2
C2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lập CTHH giữa Mg và Cl (I)
MgCl
MgCl2
Mg2Cl
MgCl4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lập CTTH giữa P (V) và O
P2O5
PO
P2O
P5O2
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Fe và O có thể lập được những công thức nào
FeOH
Fe(OH)2
Fe(OH)3
Fe(OH)4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lập CTHH giữa Na và SO4
Na2SO4
NaSO4
Na3SO4
Na(SO4)2
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