
ĐỀ ÔN TẬP KIỂM TRA GIỮA KỲ I - HÓA 10
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Thu Đoàn Việt
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các hạt cấu tạo nên hầu hết các hạt nhân nguyên tử là
A. Electron và neutron B. Electron và proton
C. Neutron và proton D. Electron, neutron và proton
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khối lượng của nguyên tử magnesium là 39,8271.10-27 kg. Khối lượng của magnesium theo amu là ( 1 amu = 1,661.10-27 kg)
A. 23,978. B. 66,133.10-51. C. 24,000. D. 23,985.10-3.
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đồng vị là những nguyên tử của cùng một nguyên tố hoá học, nhưng khác nhau về
A. tính chất hoá học. B. khối lượng nguyên tử.
C. số proton. D. số electron.
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các lớp electron được đánh số từ trong ra ngoài bằng các số nguyên dương: n = 1,2,3,… với tên gọi là các chữ cái in hoa là
A. K, L, M, O,… B. L, M, N, O,… C. K, L, M, N, … D. K, M, N, O, …
A
B
C
D
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