ÔN TẬP KHTN7 HK1 (Trắc nghiệm P1)
Quiz
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Science
•
7th Grade
•
Practice Problem
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Medium
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các hạt cấu tạo nên hạt nhân của hầu hết các nguyên tử là
A. electron và neutron.
B. proton và neutron.
C. neutron và electron.
D. electron, proton và neutron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các hạt cấu tạo nên hầu hết các nguyên tử là
A. electron và neutron.
B. proton và neutron.
C. neutron và electron.
D. electron, proton và neutron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hạt cấu tạo nên vỏ nguyên tử là
A. electron.
B. proton.
C. neutron.
D. proton và neutron
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong nguyên tử, hạt mang điện là
A. electron.
B. electron và neutron.
C. neutron.
D. proton và electron.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong nguyên tử, hạt không mang điện là
A. electron.
B. electron và neutron.
C. neutron.
D. proton và electron.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử X có 9 electron, lớp ngoài cùng nguyên tử X có số electron là
A. 1.
B. 2.
C. 7.
D. 8.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử X có 20 electron, nguyên tử X có số lớp electron là
A. 1.
B. 2.
C. 3.
D. 4.
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