HÓA 12- CUỐI H2
Authored by Hồng Thúy
Chemistry
12th Grade
Used 14+ times
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Cấu hình electron lớp ngoài cùng của nguyên tử nguyên tố Al (Z = 13) là
A. 3s23p3.
B. 3s13p2.
C. 3s23p2.
D. 3s23p1.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Vị trí của Al (Z = 13) trong bảng tuần hoàn các nguyên tố hóa học là
A. ô 13, chu kì 2, nhóm IA.
B. ô 13, chu kì 3, nhóm IA.
C. ô 13, chu kì 2, nhóm IIIA.
D. ô 13, chu kì 3, nhóm IIIA.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Trong các hợp chất, nguyên tố nhôm có số oxi hóa là
A. +3.
B. +1.
C. +4.
D. +2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: X là một kim loại nhẹ, màu trắng bạc, được ứng dụng rộng rãi trong đời sống. X là
A. Fe.
B. Ag.
C. Al.
D. Cu.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Kim loại Al không phản ứng được với dung dịch
A. H2SO4 (loãng).
B. NaOH.
C. KOH.
D. H2SO4 (đặc, nguội).
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Kim loại nào sau đây phản ứng với dung dịch NaOH?
A. Fe.
B. Ag.
C. Al.
D. Cu.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Sản phẩm của phản ứng nhiệt nhôm luôn có
A. Al.
B. Al(OH)3.
C. O2.
D. Al2O3.
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