
Chủ đề: Sắt và hợp chất(khoi dong)
Quiz
•
Architecture
•
1st - 5th Grade
•
Hard
Hoa thi
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5 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Kí hiệu hóa học của nguyên tử nguyên tố sắt là gì?
F
Fe
Cu
Al
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Biết Fe (Z =26), vậy cấu hình electron nguyên tử của Fe là
[Ar]3p64s2
[Ar]3d64s2
[Ar]3d6
[Ar]3d64s1
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Biết Fe (Z =26), vậy vị trí của sắt trong Bảng tuần hoàn các nguyên tố hóa học là
Ô số 26, chu kì 4, nhóm VIIIB
Ô số 26, chu kì 4, nhóm VIIIA
Ô số 25, chu kì 4, nhóm VIIIB
Ô số 26, chu kì 4, nhóm VIIB
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Gang, thép là hợp kim của sắt và
oxi
lưu huỳnh
cacbon
photpho
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Cho Fe (Z=26), em hãy cho biết cấu hình electron của ion Fe3+ là gì?
[Ar]3d64s2
[Ar]3d6
[Ar]3d5
[Ar]3d64s1
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