
UJIAN SEMESTER GENAP KIMIA X IPA 3
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
HERLIZAH DAMANIK
Used 1+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diantara golongan unsur berikut ini yang termasuk dalam blok f adalah.....
Alkali
Aktinida
Halogen
Gas mulia
Alkali tanah
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Atom Oksigen memiliki nomor massa 16 dan 8 neutron. jumlah elektron valensi atom oksigen adalah.....
1
2
3
4
6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
partikel partikel sub atom terdiri atas proton , neutron dan elektron. Muatan listrik partikel sub atom itu berturut turut adalah..................
-1, +1, 0
+1, -1, 0
+1, 0, -1
-1, 0, +1
0, -1, +1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nomor atom unsur Nikel adalah 28 dan nomor massanya adalah 59, maka ion Ni2+ mengandung.....
18 proton dalam inti
17 elektron disekitar inti
31 neutron disekitar inti
18 elektron dalam inti
26 elektron disekitar inti
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu unsur X mempunyai dua isotop yaitu X42 dan X44 . Jika massa atom relatif X = 43,7, perbandingan persentase X44 : X42 berturut turut adalah.......
15 % : 18 %
25 % : 75 %
85 % : 15 %
75 % : 25 %
65 % : 35 %
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unsur unsur yang segolongan dalam sistem periodik mempunyai...................
Sifat sifat kimia sama
Sifat sifat fisika sama
konfigurasi elektron sama
Sifat sifat sama
Elektron valensi sama
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ion X2+ mempunyai konfigurasi elektron 2 8 8. Dalam sistem periodik , unsur X terletak pada......
Golongan IIA / periode 4
Golongan IIA / periode 3
Golongan IIA / periode 2
Golongan VIA / periode 3
Golongan VIIIA / periode 3
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