Soal Latihan OSN Kimia Kelas XI
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Supriyatna Agus
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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Unsur yang terletak pada golongan alkali tanah adalah:
Lithium
Beryllium
Magnesium
Natrium
Kalium
2.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Senyawa yang memiliki ikatan ion adalah:
H₂O
CO₂
NaCl
CH₄
NH₃
3.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Bilangan oksidasi nitrogen dalam HNO₃ adalah:
+1
+2
+3
+5
-3
4.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Unsur yang paling elektronegatif adalah:
Oksigen
Fluorin
Klorin
Nitrogen
Bromin
5.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Tipe ikatan yang terjadi dalam molekul O₂ adalah:
Ikatan ion
Ikatan kovalen rangkap dua
Ikatan kovalen tunggal
Ikatan logam
Ikatan hidrogen
6.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Isotop adalah atom dari unsur yang sama dengan:
Jumlah proton dan neutron sama
Jumlah proton sama tetapi jumlah neutron berbeda
Jumlah proton berbeda
Massa atom yang sama
Jumlah elektron yang berbeda
7.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Rumus empiris dari C₂H₄ adalah:
CH₂
C₂H₆
CH₃
CH₄
C₂H₄
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