KESTABILAN ATOM DAN LAMBANG LEWIS
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Medium
DYAH AYU
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Atom -atom berikatan karena ingin memiliki konfigurasi elektron sama dengan yang dimiliki unsur ...
alkali
halogen
alkali tanah
gas mulia
oksigen
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Susunan elektron valensi gas mulia di bawah ini adalah oktet, kecuali ….
He
Ne
Ar
Kr
Xe
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diantara unsur unsur di bawah ini yang paling stabil adalah ...
9P
10Q
12R
20S
35T
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Struktur lewis yang tepat untuk unsur tersebut adalah . . . . (lambang unsur dianggap X)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unsur – unsur di golongan gas mulia sukar bereaksi, disebabkan …
gas mulia berwujud gas
gas mulia memiliki electron bebas
gas mulia mempunyai electron valensi delapan sehingga memenuhi aturan oktet
gas mulia mempunyai elektron valensi yang penuh sehingga stabil
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan gambar susunan elektron dalam suatu atom berikut. Pernyataan yang tepat untuk gambar tersebut adalah ...
konfigurasi elektronnya 2 8 2
cenderung untuk melepas 1 elektron
cenderung untuk menangkap 1 elektron
sulit untuk bereaksi dengan unsur lain
termasuk dalam golongan gas mulia
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Yang dimaksud struktur lewis adalah...
Gambaran susunan elektron dari atom-atom yang berikatan
Gambara kedudukan atom-atom di dalam suatu molekul berdasarkan susunan ruang
Gambaran molekul berdasarkan kepada tolakan pasangan elektron disekitar atom pusat
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