Konfigurasi Elektron
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Reza 066_PKB20
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Konfigurasi elektron X-2 dari suatu unsur 16X adalah…
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p6 3d2
1s2 2s2 2p6 3s2 3p2 3d2
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Harga keempat bilangan kuantum elektron terakhir dari atom 16S adalah…
n = 2 ; l = 0 ; m = 0 ; s = -1/2
n = 3 ; l = 1 ; m = -1 ; s = -1/2
n = 3 ; l = 1 ; m = 0 ; s = -1/2
n = 3 ; l = 1 ; m = 0 ; s = +1/2
n = 2 ; l = 0 ; m = 0 ; s = +1/2
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Konfigurasi elektron suatu unsur yang terletak pada golongan VI A dan periode 3 dalam sistem periodik adalah…
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p6
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Unsur X diketahui letaknya pada golongan VII A dan periode 3 dalam sistem periodik unsur. Nomor atom unsur X tersebut adalah…
15
17
25
27
11
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Unsur P, Q, R, dan S secara berurutan memiliki nomor atom 11, 19, 36, dan 38. Pasangan unsur yang memiliki kemiripan sifat dalam suatu tabel periodik unsur adalah…
P dan Q
Q dan R
P dan S
R dan S
P dan R
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Unsur A memiliki nomor atom 12 dan unsur B memiliki nomor atom 17, tunjukan pernyataan berikut yang benar!
Keelektronegatifan unsur A lebih kecil daripada unsur B
Keelektronegatifan unsur A lebih besar daripada unsur B
Daya tarik elektron unsur A lebih besar daripada unsur B
Jari-jari atom unsur A lebih kecil daripada unsur B
Afinitas elektron unsur A lebih besar daripada unsur B
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Perhatikan beberapa unsur di bawah ini!
P = [Ne] 3s1
Q = [Ne] 3s2
R = [Ne] 3s2 3p1
S = [Ne] 3s2 3p3
T = [Ne] 3s2 3p5
Dari beberapa unsur tersebut, pernyataan yang benar adalah…
P sifat logamnya lebih kecil dari Q
Q sifat logamnya lebih kecil dari R
R sifat logamnya lebih kecil dari S
S sifat logamnya lebih kecil dari T
T sifat logamnya lebih kecil dari P
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