Bank Soal Struktur Atom dan Sistem Periodik Unsur
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Afnarianti Arnas Lubis
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34 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Model atom dari gambar diatas dibuat oleh ...
Dalton
Thomson
Rutherford
Niels Bohr
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gagasan utama yang disumbangkan oleh teori atom J. J. Thomson adalah ...
gagasan tentang partikel subatom
gagasan tentang inti atom
gagasan tentang tingkat-tingkat energi dalam atom
gagasan tentang nomor atom
gagasan tentang penemuan elektron
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tentukan jumlah proton, elektron, dan neutron dari unsur di atas!
47, 47, dan 61
108, 108, dan 61
47, 47, dan 155
108, 108, dan 155
47, 108, dan 155
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui nomor atom unsur Ca adalah 20. Bagaimanakah konfigurasi elektron ion Ca2+ tersebut ?
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p6 4s2
1s2 2s2 2p6 3s2 3p6 3d2
1s2 2s2 2p6 3s2 3p4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ion K+ mempunyai nomor atom 19 dan nomor massa 39. Jumlah elektron pada ion Kalium tersebut adalah . . .
39
20
19
18
17
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui nomor atom unsur Ca adalah 20. Bagaimanakah konfigurasi elektron ion Ca2+ tersebut ?
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p6 4s2
1s2 2s2 2p6 3s2 3p6 3d2
1s2 2s2 2p6 3s2 3p4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apabila unsur-unsur disusun menurut kenaikan massa atom relatifnya, ternyata unsur yang ke-8 menunjukkan persamaan sifat dengan unsur yang ke-1, unsur yang ke-9 menunjukkan persamaan sifat dengan unsur yang ke-2 dan seterusnya. Pernyataan ini ditemukan oleh ….
J.W. Dobereiner
D.I. Mendeleev
A.R. Newland
Lothar Meyer
Wilheim Rontgen
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