SISTEM PERIODIK UNSUR (SPU)
Authored by Wanti Marajabesi
Chemistry
11th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Siapakah ilmuwan yang pertama kali mengelompokkan unsur ke dalam triad berdasarkan massa atom relatif dan sifat kimia yang mirip?
A. J. Newlands
B. J. W. Dobereiner
C. D. Mendeleev
D. Lothar Meyer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hukum Oktaf Newlands menyatakan bahwa...
A. Unsur-unsur tersusun berdasarkan nomor atom
B. Setiap unsur ketiga memiliki sifat mirip
C. Setiap unsur kedelapan memiliki sifat mirip dengan unsur pertama
D. Sifat unsur berubah secara acak
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa dasar penyusunan sistem periodik modern?
A. Massa atom relatif
B. Konfigurasi elektron
C. Sifat kimia dan fisika
D. Afinitas elektron
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur dengan konfigurasi elektron 1s² 2s² 2p⁶ 3s² 3p³ berada pada golongan dan periode...
A. Golongan IIIA, periode 3
B. Golongan IVA, periode 2
C. Golongan VA, period 3
D. Golongan VIA, periode 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam satu periode, dari kiri ke kanan, sifat jari-jari atom cenderung...
A. Menurun
B. Meningkat
C. Tetap
D. Tidak teratur
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam satu golongan dari atas ke bawah, energi ionisasi unsur...
A. Bertambah
B. Berkurang
C. Tidak berubah
D. Acak
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini unsur-unsur Sr, Ba, Mg, Ca. Urutan yang benar berdasarkan kenaikan energi ionisasi adalah...
A. Ba < Sr < Ca < Mg
B. Mg < Ca < Sr < Ba
C. Sr < Ba < Mg < Ca
D. Ca < Mg < Ba < Sr
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