
Hoá học 🤷♂️
Authored by Thy Nguyễn
Chemistry
3rd Grade
Used 9+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Đâu là hỗn hợp
Oxi
Đường fructozơ
Kim loại
Nước muối
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Đâu là hợp chất?
H3PO4,O3,Ag
MgO,BaCl2,NaOH
Cl2,k,N2
O3,Ag,k
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nguyên tố hoá học là tập hợp những nguyên tử cùng loại có cùng số hạt nào?
proton
electron
Nơtron
Proton và electron
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nguyên tử gồm hạt nào mang điện?
proton và electron
electron và nơtron
Proton và notron
electron
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Khối lượng bằng g của 1đvC?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kí hiệu nguyên tố hiđro?
H
B
C
O
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nguyên tử khối của Kali?
39
52
29
38
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