
ôn khảo sát 10 lần 2
Authored by lê phạm
Chemistry
10th Grade
Used 3+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vị trí của nguyên tử nguyên tố X có Z= 20 trong bảng tuần hoàn là:
Chu kì 4, nhóm VIIIB.
Chu kì 4, nhóm IIA.
Chu kì 3, nhóm IIB.
Chu kì 4, nhóm VIIB.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tử nào sau đây có chứa liên kết ba?
NH3
C6H6
N2
H2O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sắp xếp tính base của NaOH, Mg(OH)2, Al(OH)3 theo chiều giảm dần là:
NaOH, Mg(OH)2, Al(OH)3
Mg(OH)2, NaOH, Al(OH)3
Al(OH)3, Mg(OH)2, NaOH
Mg(OH)2, Al(OH)3, NaOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ion nào sau đây không là ion đơn nguyên tử?
NO3-.
Al3+.
Ca2+.
Br -.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử của nguyên tố X có cấu hình electron 1s22s22p63s23p64s1, nguyên tử của nguyên tố Y có cấu hình electron 1s22s22p5. Liên kết hóa học giữa nguyên tử X và nguyên tử Y thuộc loại liên kết nào?
Cộng hóa trị không cực.
Cộng hóa trị có cực.
Ion.
Kim loại.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron nào sau đây không phải của kim loại?
1s22s22p63s2.
1s22s22p63s23p63d64s2.
1s22s22p63s23p1.
1s22s22p63s23p5.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cation M2+ có cấu hình electron 1s22s22p63s23p6. Cấu hình electron của nguyên tử M là?
1s22s22p63s2
1s22s22p63s23p2
1s22s22p63s23p64s2
1s22s22p63s23p4
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