Sistem Periodik Unsur- Lathifa
Quiz
•
Chemistry
•
10th - 11th Grade
•
Medium
Lathifa Utami Dewi
Used 30+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Letak dan konfigurasi suatu unsur 19Xadalah..... (Nomor atom Ar=18)
Periode 4, Golongan IA, [Ar] 4s1
Periode 4, Golongan IIA, [Ar] 4s2
Periode 1, Golongan IA, [Ar] 4s1
Periode 2, Golongan IA, [Ar] 4s1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Letak unsur X dengan nomor atom 26 dan nomor massa 56 dalam sistem periodik pada golongan dan periode ….
II A dan 6
VI B dan 3
VI B dan 4
VIII B dan 4
3.
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
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sifat-sifat dari suatu tabel berkala diantaranya: baris mendatar tabel disebut periode, dan kolom tegak disebut golongan, serta unsur-unsur transisi terdiri dari unsur golongan B serta deret lantanoid dan aktinoid.
Siapa penyusun tabel berkala tersebut dan apa dasar dari tabel berkala tersebut?
Lothar Mayer, didasarkan pada kenaikan massa atom
Dmitri Mendeleev, didasarkan kemiripan sifat keperiodikannya
Henry Moseley, didasarkan kenaikan nomor atom
John Newlands, didasarkan kemiripan sifat unsur ke delapan
Henry Moseley, didasarkan kenaikan bobot atom
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jari-jari unsur golongan III A secara acak sebagai berikut:
1,05 Å ; 2,00 Å; 1,80 Å ; 2,15 Å ; 1,50 Å. Dari data tersebut yang merupakan jari-jari atom Alumunium adalah....
1,05 Å
2,00 Å
1,80 Å
2,15 Å
1,50 Å
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Terdapat unsur-unsur sebagai berikut:
Grafik yang menunjukan kecenderungan sifat keelektronegatifan unsur-unsur tersebut adalah....
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