
ÔN TẬP ĐƠN CHẤT, HỢP CHẤT
Authored by Quynh Truc
Science, Chemistry
8th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cách viết nào sau đây để biểu diễn : 2 nguyên tử Hidro
H2
2H
2H2
H2
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cách viết nào sau đây để biểu diễn : 2 phân tử Hidro
H2
2H
2H2
H2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dãy gồm những đơn chất kim loại
Cu, Ca, C, Cr
Cu, Ca, C, Ba
Cu, Al, Ca, Ba
Fe, Al, C, S
4.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Khí X là đơn chất, biết phân tử khối của nó bằng 32 đvc. Viết CTHH của khí X
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
X là đơn chất rắn, biết nguyên tử khối của X bằng phân tử khối của oxi.
- Viết CTHH của X.
- X là đơn chất phi kim hay kim loại.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy những đơn chất phi kim rắn
S, Si, Cu, P
S, Si, C, P
S, Ca, C, P
P, C, S, Cl
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
CTHH của kim loại Nhôm
Fe
Al
Zn
Na
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