Letak unsur dan konfigurasi elektron yang tepat untuk unsur 19X adalah…(nomor atom Ar = 18)
Konfigurasi Elektron dan Bilangan Kuantum

Quiz
•
Chemistry
•
10th Grade
•
Hard
Topan Edulab
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Periode 4 golongan IA [Ar] 4s1
Periode 1 golongan IB [Ar] 4d1
Periode 1 golongan IIA [Ar] 4s2
Periode 4 golongan IA [Ar] 4s2
Periode 3 Golongan IVA [Ar] 4s2 3d2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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 = +1, s = +1/2
n = 2, l = 1, m = 0, s = +1/2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Letak unsur X dengan nomor atom 26 dan nomor massa 56 dalam sistem periodik unsur terletak pada golongan dan periode…
IIA dan 6
VIB dan 3
VIB dan 4
VIIB dan 3
VIIIB dan 4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Konfigurasi elektron X- dari suatu unsur 17X adalah…
1s2 2s2 3p6 3s2 3p2
2s1 4s3 2p6 4s7
1s2 2s2 2p6 3s2 3p6
1s2 2p6 2s2 3s2 3p6
3p6 1s2 2s2 3s3 2s1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Unsur 15T dalam sistem periodik unsur terletak pada golongan dan periode berturut-turut…
IVA, periode 3
VA, periode 3
VIA, Periode 3
VIIA, periode 3
VIIA, periode 2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tiga unsur memiliki notasi seperti di gambar ini :
Konfigurasi elektron dari unsur P adalah… (nomor atom Ne = 10, Ar= 18)
[Ne] 3s¹
[Ne] 4s¹
[Ar] 3s¹
Ar] 4s¹
[Ar] 4s² 3d¹
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
konfigurasi elektron saat atom 25X melepas 2 elektronnya adalah ....
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p6 4s2 3d3
1s2 2s2 2p6 3s2 3p2 3d5
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