
Chemistry Olympiad Questions
Authored by cahyaaulia cahyaaulia
Chemistry
11th Grade
Used 2+ times

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32 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu unsur dengan konfigurasi elektron [Ne] 3s² 3p³ terletak di:
Grup IVA, periode 3
Grup VA, periode 3
Grup VB, periode 3
Grup VIA, periode 2
Grup VIIA, periode 3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Konfigurasi elektron dari atom netral dengan nomor atom 47 adalah:
[Kr] 5s² 4d⁹
[Kr] 4d¹⁰ 5s¹
[Kr] 5s² 4d¹⁰
[Xe] 6s¹
[Kr] 5s² 5p¹
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ion Mn²⁺ memiliki konfigurasi:
[Ar] 3d⁵
[Ar] 3d³
[Ar] 4s² 3d³
[Ar] 4s¹ 3d⁴
[Ar] 3d⁷
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapa banyak elektron yang tidak berpasangan dalam atom Fe (Z = 26)?
2
3
4
5
6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu unsur dengan konfigurasi elektron akhir 5d⁴ termasuk dalam:
Lanthanida
Aktinida
Periode transisi 6
Periode transisi 5
Transisi dalam
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Manakah di antara berikut ini yang bersifat diamagnetik?
Cr
Mn
Zn
Fe
Co
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Urutan pengisian orbital yang benar menurut prinsip Aufbau adalah:
3d → 4s → 4p
4s → 3d → 4p
4p → 4s → 3d
3p → 4s → 3d
4s → 4p → 3d
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