SELEKSI PRA OSN 2024 PART 1

SELEKSI PRA OSN 2024 PART 1

University

50 Qs

quiz-placeholder

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SELEKSI PRA OSN 2024 PART 1

SELEKSI PRA OSN 2024 PART 1

Assessment

Quiz

Chemistry

University

Practice Problem

Hard

Created by

Laeli Nur Fadhilah

Used 2+ times

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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berapa jumlah atom dalam 2 mol senyawa H2O?

2

6

8

4

2.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Perhatikan konfigurasi elektron berikut ini : 

A = 2 

B = 2,8,1 

C = 2,8,2 

D = 2,8,18,8 

Unsur-unsur yang terletak dalam satu golongan adalah....

A dan B

A dan C

A dan D 

B dan C 

C dan D

3.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Unsur-unsur transisi dalam sistem periodik unsur terletak antara golongan ....

IA dan IIA

IIA dan IIIA

IIA dan IIIB

IIB dan IIIA

IIB dan IIIB

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Dengan bertambahnya nomor atom dalam satu periode dari kiri ke kanan, sifat unsur yang memiliki kecenderungan semakin kecil adalah.... 

Jari-jari atom

Afinitas elektron

Keelektronegatifan

Energi ionisasi

Kereaktifan

5.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

n = 4, l = 0, m = - 1, s = + ½

n = 4, l = 0, m = + 1, s = - ½

n = 3, l = 1, m = 0, s = + ½

n = 3, l = 2, m = - 2, s = - ½

n = 3, l = 2, m = -2, s = + ½

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Unsur X mempunyai 12 proton, 12 elektron dan 12 neutron. Unsur tersebut dilambangkan dengan...

1512 X

1224 X

1212 X

312 X

1215 X

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kelompok senyawa yang semuanya berikatan ion adalah ….

NH3, CO2, dan H2O

CH4, NaCl, dan CaCl2

NaCl, HCl, dan H2O

KCl, NaI, dan MgBr2

H2, Cl2, dan NaI

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