Magnesium mempunyai nomor atom 12 dan nomor massa 25. Jumlah electron pada ion magnesium adalah……
Analisis Kimia Dasar 1

Quiz
•
Chemistry
•
1st Grade
•
Hard
Wiwid Astuti
Used 7+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
10
11
12
13
14
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Unsur Na dengan nomor atom 11 dan nomor massa 23. Berapakah proton, electron dan neutronnya adalah...
11, 12, 12
11, 23, 12
11,11, 12
23,23, 12
12, 12, 11
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Jika unsur A memiliki nomor atom 8 dan nomor massa 18, struktur dari A2- terdiri atas . . . .
10 elektron, 8 proton, 8 neutron
10 elektron, 8 proton, 10 neutron
8 elektron, 8 proton, 10 neutron
8 elektron, 8 proton, 18 neutron
6 elektron, 8 proton, 10 neutron
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Konfigurasi electron yang benar utuk atom 17 Cl adalah..
2 8 7
2 8 5 2
2 2 8 5
2 15
1 8 8
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Unsur X mempunyai konfigurasi elektron 2. 8. 6. Unsur tersebut akan membentuk ion . . . .
X3-
X2-
X-
X+
X2+
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Unsur dengan konfigurasi elektron: 2, 8, 2, dalam system periodic terletak pada golongan….
VIA
IIIA
IIA
IVA
IA
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
unsur dengan nomor atom 17 unsur tersebut terletak pada periode ke …
1
2
3
4
5
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