
KHTN 7
Authored by Nguyệt Đỗ
Chemistry
8th Grade
Used 104+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hầu hết nguyên tử được cấu tạo từ
proton, neutron
proton, neutron, electron
proton, electron
electron, neutron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử trung hòa về điện nên
số p = số e = số n
số n = số e
số p = số e
số p = số n
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử cùng loại là những nguyên tử có cùng
số proton
số neutron
số electron
số proton + số neutron
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Đơn vị khối lượng nguyên tử là .....
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Nguyên tố Potassium có kí hiệu hóa học là
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố hóa học nào có kí hiệu là P ?
Sodium
Platium
Potassium
Phosphorus
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử các nguyên tố ở chu kì 3 có đặc điểm chung là
cùng có 3 electron ở lớp ngoài cùng
cùng số thứ tự
cùng có 3 proton
cùng có 3 lớp electron
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