Suatu unsur terdapat pada periode ketiga dan dalam golongan IIA. Nomor atom unsur tersebut adalah….

Sistem Periodik Unsur (KIMIA)

Quiz
•
Chemistry
•
11th Grade
•
Hard
Rustan Tola
Used 9+ times
FREE Resource
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3
5
12
18
30
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Konfigurasi elektron ion B2+ adalah 1s2 2s2 2p6 3s2 3p6 3d5. Dalam tabel periodik, unsur B terletak pada….
Golongan VIIB, periode 4
Golongan IIB, periode 4
Golongan VIA, periode 3
Golongan VIA, periode 4
Golongan VIIIA, periode 3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unsur dengan nomor atom 37 dalam system periodic terletak pada....
Periode 5, golongan IA
Periode 5, golongan VIIA
Periode 5, golongan IB
Periode 1, golongan VB
Periode 1, golongan VA
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui beberapa unsur dengan konfigurasi elektron sebagai berikut:
P : 2 8 8 1
Q : 2 8
R : 2 8 2
S : 2 8 4
T : 2 7
Unsur yang mempunyai afinitas elektron terbesar adalah ….
P
Q
R
S
T
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Konfigurasi elektron ion B2+ adalah 1s2 2s2 2p6 3s2 3p6. Dalam tabel periodik, unsur B terletak pada….
Golongan IIA, periode 3
Golongan IIA, periode 4
Golongan VIA, periode 3
Golongan VIA, periode 4
Golongan VIIIA, periode 3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan grafik berikut!
Urutan afinitas electron golongan halogen dari yang paling besar adalah ….
F, Cl, Br, I
Cl, F, Br, I
Cl, F, I, Br
F, Br, I, Cl
I, Br, Cl
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ion X2+ memiliki konfigurasi elektron [Ar] 3d10. Nilai keempat bilangan kuantum dari elektron terakhir dengan energi tertinggi atom X adalah …
n = 3, l = 1, m = +1, dan s = + ½
n = 3, l = 2, m = +2, dan s = + ½
n = 3, l = 2, m = +2, dan s = – ½
n = 4, l = 1, m = +1, dan s = – ½
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