
kuis kimia
Authored by Nur Inzan
Chemistry
2nd Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu atom dikatakan stabil apabila
Jumlah proton sama dengan jumlah elektron
Elektronnya berpasangan di semua kulit
Memiliki konfigurasi elektron mirip dengan gas mulia
Elektron valensinya berjumlah 2
Memiliki jumlah neutron yang sama dengan proton
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur Natrium (Na) memiliki nomor atom 11 dengan konfigurasi elektron 2,8,1. Supaya stabil, kecenderungan atom Na adalah...
Menangkap 1 elektron
Melepas 1 elektron
Menangkap 7 elektron
Melepas 7 elektron
Tidak bereaksi sama sekali
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom gas mulia bersifat stabil karena...
Energi ionisasinya rendah
Memiliki elektron valensi penuh (oktet/duplet)
Mudah membentuk senyawa dengan unsur lain
Jumlah proton dan elektron tidak seimbang
Bersifat sangat reaktif
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur Klor (Cl) memiliki nomor atom 17 (konfigurasi 2,8,7). Kecenderungan atom Cl untuk mencapai kestabilan adalah...
Melepas 1 elektron
Melepas 7 elektron
Menangkap 1 elektron
Tidak bereaksi karena sudah stabil
Melepas 2 elektron
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan berikut yang benar tentang kecenderungan kestabilan atom adalah...
Semua atom selalu cenderung melepas elektron
Semua atom selalu cenderung menangkap elektron
Kestabilan dicapai dengan jumlah elektron valensi 8 (atau 2 untuk kulit pertama)
Atom-atom stabil bila jumlah proton lebih banyak dari neutron
Kestabilan hanya bergantung pada jumlah kulit atom
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