Ulangan kimia

Quiz
•
Chemistry
•
1st Grade
•
Hard
Surtini -
Used 68+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unsur-unsur gas mulia bersifat stabil karena memiliki elektron valensi sebanyak .....
1 atau 6
1 atau 8
2 atau 6
2 atau 7
2 dan 8
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Suatu unsur memiliki konfigurasi elektron . Pernyataan yang benar mengenai unsur berdasarkan konfigurasi elektron tersebut yaitu ....
Bereaksi dengan unsur logam membentuk senyawa ion
Membentuk senyawa ion dengan mengikat 2 elektron
Membentuk senyawa ion dengan melepas 2 elektron
Membentuk ion negatif dengan muatan -2
Merupakan unsur golongan VIA
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unsur 20Ca dapat mencapai kestabilan dengan cara ....
Melepas 1 elektron
Melepas 2 elektron
Melepas 3 elektron
Menangkap 1 elektron
Menangkap 2 elektron
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unsur A memiliki jumlah elektron 13. Unsur tersebut dapat mencapai kestabilan dengan membentuk ion ....
A-2
A-
A+
A2+
A3+
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unsur 16S jika membentuk ion akan memiliki jumlah elektron seperti unsur ....
10Ne
17Cl
18Ar
19K
20Ca
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unsur 3Li melepaskan dua elektron untuk mencapai kestabilan seperti gas mulia. Jumlah elektron unsur Li setelah melepas elektron sama dengan jumlah elektron unsur gas mulia berupa ....
Neon
Argon
Xenon
Helium
Kripton
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Konfigurasi elektron dari ion 13Al3+ adalah ....
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