Ôn tập trắc nghiệm 7_KTGKI
Authored by vy khang
Science
7th Grade
Used 3+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố phổ biến nhất trong vũ trụ?
Oxygen
Hydrogen
Calcium
Nitrogen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm nguyên tố kim loại thuộc nhóm IIA có tên gọi khác là gì?
Kim loại kiềm
Kim loại kiềm thổ
Kim loại nhóm A
Kim loại nhóm B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố phi kim có trong thành phần kem đánh răng?
Phosphorus
Hydrogen
Fluorine
Iodine
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố phổ biến nhất trong lớp vỏ Trái Đất
Oxygen
Hydrogen
Calcium
Nitrogen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố giúp ngừa bệnh bướu cổ ở người
Phosphorus
Hydrogen
Fluorine
Iodine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bảng tuần hoàn gồm bao nhiêu chu kì?
5
6
7
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để có số electron lớp ngoài cùng giống nguyên tử của nguyên tố khí hiếm, nguyên tử của các nguyên tố kim loại có khuynh hướng?
nhận hoặc góp chung electron
nhận electron
nhường electron lớp ngoài cùng
góp chung electron
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