Kim loại sắt
Quiz
•
Chemistry
•
1st Grade
•
Medium
chung nguyen
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14 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cấu hình electron của sắt là:
1s22s22p63s23p63d64s2
1s22s22p63s23p64s23d6
1s22s22p63s23p63d8
1s22s22p23s23p83d4
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Vị trí của sắt trong bảng tuần hoàn là:
chu kỳ 3
chu kỳ 4
nhóm VIIIB
nhóm IIA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sắt là kim loại có màu
xám đen
trắng hơi xám
đỏ
vàng
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
So với nhôm, khả năng dẫn điện, dẫn nhiệt của sắt:
Tốt hơn
Bằng
Kém hơn
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sắt là kim loại
mạnh
yếu
trung bình
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Số oxi hóa có thể có của sắt trong hợp chất là:
+3
+2
+8/3
+1
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Fe phản ứng với O2 có thể tạo ra
Fe2O3
FeO
Fe3O4
FeO2
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