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Chemistry Olympiad Questions

Authored by cahyaaulia cahyaaulia

Chemistry

11th Grade

Used 2+ times

Chemistry Olympiad Questions
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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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