Salah satu isotop rubidium mempunyai nomor atom 37 dan nomor massa 85. Atom tersebut mengandung
Kimia-Konfigurasi Elektron

Quiz
•
Chemistry
•
10th Grade
•
Hard
Used 803+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
48 proton, 37 netron, dan 48 elektron
37 proton, 37 netron, dan 48 elektron
37 proton, 48 netron, dan 37 elektron
37 proton, 85 netron, dan 37 elektron
48 proton, 37 elektron, dan 37 netron
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Susunan elektron pada kulit K, L, M, N untuk kalsium yang memiliki nomor atom 20 adalah ....
2, 8, 10,
2, 8, 9, 1
2, 8, 8, 2
2, 0, 6, 2
2, 8, 20
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Konfigurasi elektron berikut yang tidak dijumpai pada suatu atom adalah ....
2, 8, 5
2, 8, 6
. 2, 8, 7
2, 8, 8
2, 8, 9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui nomor atom S = 16, jumlah elektron pada ion S-2adalah ....
14
15
16
17
18
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dua buah unsur memiliki notasi 13X27 dan 17Y35,5. Diagram orbital yang paling tepat untuk elektron terakhir dari unsur X adalah.... (Nomor atom Ar = 18, Kr = 36, Ne = 10).
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diagram orbital 2 buah unsur sebagai berikut:
Nomor atom unsur X adalah....
6
16
17
24
25
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan notasi unsur berikut :
19 K 39
Konfigurasi electron ion K+ adalah . . . .
1s 2 2s2 2p 6 3s2 3p5
1s 2 2s2 2p 6 3s2 3p6
1s 2 2s2 2p 6 3s2 3p5 4s1
1s 2 2s2 2p 6 3s2 3p5 4s3
1s 2 2s2 2p 6 3s2 3p5 4s2 4p1
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