
Sistem Periodik Unsur
Authored by rini deliana
Chemistry
10th Grade
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Letak unsur dan konfigurasi elektron yang tepat untuk unsur 19X adalah…(nomor atom Ar = 18)
Periode 4, golongan IA, [Ar] 4s1
Periode 1, golongan IB, [Ar] 4d1
Periode 1, golongan IIA, [Ar] 4s2
Periode 2, golongan IIB, [Ar] 4d2
2.
MULTIPLE CHOICE QUESTION
30 sec • 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 = 0, s = +1/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 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 4
VIB dan 6
VIIIB dan 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur 16T dalam sistem periodik unsur terletak pada golongan dan periode berturut-turut…
IVA, periode 3
VA, periode 2
VIA, periode 3
VIIA, periode 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nomor atom unsur X sama dengan 27. Jumlah elektron tidak berpasangan dalam ion X+2 adalah…
1
2
3
4
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