
Soal Olimpiade Kimia
Authored by Yuyun Yuhanah
Chemistry
10th - 12th Grade
Used 15+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dua atom unsur akan saling berikatan ionik bila...
harga energi ionisasinya sama
perbedaan keelektronegatifannya sangat besar
harga afinitas elektronnya tinggi
jari-jari atomnya seimbang
harga afinitas elektron dan energi ionisasinya rendah
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unsur X konfigurasi elektronnya 2, 8, 6 dapat mencapai oktet dengan cara...
melepaskan 6 elektron valensi
menangkap 2 elektron lain
memasangkan 1 elektron dengan unsur lain
mengikat 2 atom unsur lain
mengikat satu atom unsur lain
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pasangan atom atau ion di bawah ini yang konfigurasi elektronnya sama adalah...
Na+ dan K+
Na+ dan Cl-
Na+ dan O2-
Na3+ dan F-
O2- dan S2-
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui unsur-unsur A, B, C, D, dan E dengan nomor atom berturut-turut 6, 10, 11, 12, dan 17. Ikatan kovalen dapat terjadi antara unsur-unsur ...
A dan B
B dan C
B dan D
A dan E
C dan E
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Diketahui harga energi ionisasi beberapa unsur dalam satuan KJ mol-1; Na=500; Li=520; B=800; Be=900; F=1.681; dan Ne=2.081. Ikatan yang bersifat paling ionik terjadi antara unsur-unsur...
Na dan Ne
F dan Ne
Li dan Be
Be dan Ne
Na dan F
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kelompok senyawa di bawah ini yang merupakan senyawa ionik adalah ...
MgS, CuO , Na2O
BCl3, P2O5, NiS
CCl4 , MnCl2, SCl2
PbCl2 , BaI , SiF4
NaH , CH4 , PH3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jumlah domain elektron bebas dan domain elektron ikatan dalam molekul NH3 berturut-turut adalah ...
2 dan 3
1 dan 3
0 dan 3
3 dan 1
3 dan 2
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