
Quiz Kimia Dasar
Authored by Nur Tawil
Chemistry
12th Grade

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44 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah pernyataan berikut yang paling tepat menjelaskan alasan model atom Rutherford menggantikan model atom Thomson?
Rutherford berhasil menjelaskan spektrum garis atom hidrogen.
Eksperimen penembakan partikel alfa menunjukkan adanya inti atom yang bermuatan positif.
Rutherford menemukan bahwa elektron berada pada lintasan tertentu di sekitar inti.
Model Thomson tidak dapat menjelaskan kestabilan atom.
Model Rutherford menunjukkan bahwa massa atom tersebar merata dalam atom.
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Unsur X bernomor atom 8 maka harga keempat bilangan kuantum electron terakhir adalah …. n = 2, l = 0, m = 0, s = _ 12 n = 2, l = 1, m = 1, s = + 12 n = 2, l = 1 , m = 0, s = _ 12 n = 2, l = 1, m = - 1, s = + 12 E. n = 2, l = 1, m = -1, s = _ 12
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari atom unsur unsur berikut, atom yang paling mudah melepaskan elektron, adalah.....
11Na
13Al
18Ar
19K
20 Ca
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasangan unsur yang membentuk ikatan kovalen adalah ….
17X dan 11Y
12P dan 17Q
6R dan 17Q
20M dan 16T
19A dan 35B
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Bila diketahui atom S = 16 dan nomor atom O = 8 membentuk molekul SO2, maka jumlah PEI, PEB dan bentuk molekul secara berturut-turut adalah....
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biji besi (hematit ) dapat direduksi menggunakan gas karbon monoksida menurut persamaan reaksi berikut.Fe2O3 (s) + 3CO(g) ---> 2Fe(s) + 3CO2(g)+Fe2O3 pada reaksi tersebut mengalami .....
Kenaikan bilangan oksidasi dari 0 menjadi +2
Kenaikan bilangan oksidasi dari 0 menjadi +3
Penurunan bilangan oksidasi dari +2 menjadi 0
Penurunan bilangan oksidasi dari +3 menjadi 0
Penurunan bilangan oksidasi dari +3 menjadi +2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gas klorin (Cl2) yang ditambahkan kedalam pengolahan air minum dan kolam renang bertujuan untuk membunuh bakteri. Reaksi pembentukan gas klorin sebagai berikut 2NaCl + 2H2O ----> H2 + Cl2 + 2NaOH Zat yang berperan sebagai reduktor adalah ....
Cl2
H2
H2O
NaOH
NaCl
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