PAS KIMIA X (GANJIL)
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Lenna Lumbanraja
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lambang menunjukkan bahwa atom unsur Helium mempunyai…
A. 2 proton, 2 elektron, 2 neutron
B. 9 proton, 6 elektron, massa atom 2
C. 2 proton, 14 elektron, massa atom 2
D. 4 proton, 2 elektron, massa atom 2
E. 6 proton, 4 elektron, 2 neutron
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nomor atom unsur X sama dengan 26. Konfigurasi elektron ion X3+ adalah…
1s22s22p63s23p63d64s2
1s22s22p63s23p63d44s2
1s22s22p63s23p63d63d34s2
1s22s22p6
3s23d54s1
1s22s22p6
3s23p63d5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Untuk unsur dengan konfigurasi elektron 1s22s22p63s23p63d74s2 berlaku pernyataan bahwa unsur tersebut…
(
mempunyai nomor atom 27
terletak pada periode 4
mempunyai 3 elektron tak berpasangan
termasuk dalam golongan alkali tanah
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam atom kromium dengan nomor atom 24,
terdapat elektron yang tidak berpasangan sebanyak…
2
3
4
5
6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di antara unsur-unsur 3P, 12Q, 19R, 33S dan 53T, yang terletak dalam golongan yang sama pada sistem periodik adalah…
P dan Q
Q dan S
P dan R
S dan T
R dan T
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di bawah ini terdapat susunan elektron beberapa unsur:
P : 1s22s22p63s1
Q : 1s22s22p63s2
R : 1s22s22p63s23p5
S : 1s22s22p63s23p63d34s2
T : 1s22s22p63s23p64s1
Berdasarkan susunan elektron di atas, maka unsur yang paling mudah menjadi ion positif adalah…
P
R
S
T
Q
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Setiap elektron yang berpasangan dalam satu orbital mempunyai…
bilangan kuantum utama yang sama
bilangan kuantum azimuth yang sama
bilangan kuantum magnetik yang sama
bilangan kuantum spin yang sama
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