
Ôn tập Hóa 8 chương 1
Authored by Thu Hương
Chemistry
6th Grade
Used 8+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong nguyên tử hạt mang điện tích âm là
A. proton.
B. electron.
C. nơtron.
D. proton và nơtron.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong nguyên tử hạt mang điện tích dương là
A. proton.
B. electron.
C. nơtron.
D. proton và nơtron.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hạt nhân nguyên tử tạo bởi các loại hạt là:
A. proton và electron
B. nơtron và electron.
C. proton và nơtron.
D. proton, nơtron và electron
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nguyên tử natri có 11 electron, 12 nơtron. Số hạt proton trong nguyên tử natri là
1
11
12
23
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nguyên tử flo có 9 electron, 10 nơtron. Số hạt proton trong nguyên tử flo là
1
10
9
19
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kí hiệu hóa học của nguyên tố chì là
P
Pb
Pt
Pd
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ba nguyên tử nhôm được viết là
3Ag
3Au
3Ar
3Al
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