
SELEKSI PRA OSN 2024 PART 1
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
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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