
Câu hỏi về nguyên tử
Authored by Trang Phạm
Chemistry
7th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong nguyên tử, hạt nào mang điện tích âm?
Proton
Neutron
Electron
Hạt nhân
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hạt nào sau đây không mang điện?
Proton
Electron
Neutron
Hạt nhân
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong nguyên tử trung hòa, số proton bằng:
Số neutron
Số electron
Số khối
Tổng số hạt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điện tích hạt nhân của nguyên tử oxygen, biết số proton là 8:
+8
+2
4
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electron chuyển động quanh hạt nhân theo:
Đường thẳng
Quỹ đạo tròn
Hình vuông
Không chuyển động
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu tạo nguyên tử gồm:
Chỉ có electron
Chỉ có proton và neutron
Hạt nhân (proton, neutron) và electron chuyển động xung quanh
Hạt nhân và các phân tử
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khối lượng nguyên tử chủ yếu tập trung ở:
Lớp vỏ
Electron
Hạt nhân
Không xác định được
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