
KHTN7 Bai 2
Authored by men nguyen
Science
7th Grade
Used 2+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Theo Rutherford – Bohr, nguyên tử gồm:
Hạt nhân và lớp vỏ electron
Chỉ có proton
Chỉ có electron
Hạt nhân và proton
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hạt mang điện tích âm trong nguyên tử là:
Proton
Electron
Neutron
Hạt nhân
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hạt nhân nguyên tử mang điện tích:
Âm
Dương
Trung hòa
Không xác định
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hạt quyết định số hiệu nguyên tử là:
Electron
Proton
Neutron
Tổng proton + neutron
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong nguyên tử trung hòa điện, số electron bằng số:
Proton
Neutron
Hạt nhân
Khối lượng nguyên tử
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong nguyên tử, hạt quyết định tính chất hóa học là:
Proton
Electron lớp ngoài cùng
Neutron
Tất cả electron
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần hạt nhân của nguyên tử gồm:
Proton và electron
Proton và neutron
Electron và neutron
Chỉ proton
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