
Remedial kelas 10 sem 2
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Hard
Supra Budiarta
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan reaksi : a MnO2(s) + b HCl(l) --> c MnCl2(aq) + d H2O(l) + e Cl2(g) Bila sudah disetarakan, maka harga a,b,c,d,dan e berturut-turut adalah...
1,1,1,2,1
1,2,1,4,1
1,4,1,2,1
1,4,2,1,1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang terjadi pada elektron dalam atom ketika atom menyerap atau melepaskan energi?
elektron akan berpindah ke lintasan yang lebih luar atau lebih dalam
elektron akan tersebar diantara lintasan-lintasan elektron
elektron bermuatan negatif
elektron akan menyebar disekitar inti atom
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan rumus kimia dan nama senyawa berikut
1. Na2O : dinatrium oksida
2. Al2S3 : Aluminium sulfida
3. SnCl2 : Timah (IV) clorida
4. Fe (NO3)3 : Besi (III) nitrat
Pasangan rumus kimia dan nama senyawa yang benar adalah
1 dan 2 benar
1,2,3 benar
2 dan 3 benar
2 dan 4 benar
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom X memiliki elektron pada kulit terluar dengan harga n= 4; l=2 ; m= 0 ; s= +1/2
letak atom X tersebut adalah
golongan IIIB periode 4
golongan VA periode ke 4
golongan VB periode ke 5
golongan VIIIB periode 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu atom X memiliki 18 proton dan 22 neutron, atom X terletak pada golongan/ periode
Golongan IIA /3
golongan IIA/4
golongan VIIIA/3
golongan VIIIA/4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari 17Cl diperoleh informasi sebagai berikut kecuali
Jumlah kulit 3
jumlah elektron valensi 7
melepaskan 7 elektron
golongan VIIA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data keelektronegatifan beberapa unsur sebagai berikut
T : 1,2
X : 2,5
Y : 3,0
Z : 4,0
unsur yang paling mudah menarik elektron ikatan adalah unsur
T
X
Y
Z
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