
Test KHTN7 (hết phần liên kết)
Authored by Danh Trần
Science
University
Used 1+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cấu tạo nên hạt nhân hầu hết các nguyên tử là
electron và neutron.
proton và neutron.
neutron và electron.
electron, proton và neutron
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Lớp vỏ nguyên tử có chứa
electron.
proton.
neutron.
proton và electron.
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Trong nguyên tử hạt nào mang điện ?
electron.
proton.
neutron.
proton và electron.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Nguyên tử trung hòa về điện nên
số hạt proton = số hạt neutron.
số hạt electron = số hạt neutron.
số hạt proton = số hạt electron.
số hạt proton = số hạt neutron = số hạt electron.
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Nguyên tử X có 11 proton, vậy nguyên tử X có bao nhiêu hạt electron ?
10.
11.
12.
13.
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Nguyên tử oxygen có khối lượng nguyên tử là
8 amu.
16 amu.
32 amu.
48 amu.
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hình vẽ bên mô tả sơ đồ nguyên tử nitrogen.
Số electron trong nguyên tử là
2.
4.
5.
7.
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