
Bilangan Kuantum dan Konfigurasi Elektron
Authored by PPL Smariheksa
Chemistry
10th Grade
Used 10+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Bilangan kuantum magnetik menunjukkan….
arah ruang orbital
tingkat energi kulit
subkulit energi elektron
perbedaan arah rotasi elektron
kebolehjadian menemukan elektron
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Diketahui nomor atom unsur Br = 35. Konfigurasi elektron ion Br- adalah….
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Diketahui ion X3+ mempunyai nomor massa 27 dan neutron 14. Konfigurasi elektron dari atom X adalah …
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p5
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika diketahui konfigurasi elektron ion B2+:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2. Nomor atom B adalah….
28
30
32
34
36
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika diketahui konfigurasi elektron Fe: [Ar] 4s2 3d6 , bagaimanakah konfigurasi ion Fe3+
[Ar] 4s2 3d9
[Ar] 4s2 3d3
[Ar] 4s1 3d4
[Ar] 4s0 3d5
[Ar] 4s2 3d6
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Bilangan kuantum yang mungkin untuk elektron valensi atom X: 1s2 2s2 2p6 3s2 adalah…
n = 2; l = 1; m = +1; s = 0
n = 2; l = 0; m = 0; s = -1/2
n = 3; l = 1; m = 0; s = +1/2
n = 3; l = 1; m = 0; s = -1/2
n = 3; l = 0; m = 0; s = -1/2
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Elektron terakhir atom X memiliki nilai n = 4; l = 1; m = +1; dan s = -1/2. Elektron tersebut terletak di orbital….
4s
3p
4p
3s
4d
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