Stuktur Atom dan Sistem Periodik Unsur
Quiz
•
Chemistry
•
10th Grade
•
Hard
Hafizhah Andini
Used 4+ times
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15 questions
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1.
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
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Model atom dari gambar diatas dibuat oleh ...
Dalton
Thomson
Rutherford
Niels Bohr
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Al yang bernomor atom 13 dan bernomor massa 27 terdiri atas….
13 proton, 14 elektron dan 27 netron
13 proton, 13 elektron dan 27 netron
13 proton, 13 elektron, dan 14 netron
14 proton, 14 elektron, dan 13 netron
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu unsur yang memiliki konfigurasi elektron sebagai berikut: 1s2 2s2 2p6 3s2 3p6 4s2 3d6
menempati golongan ... dan periode ...
VIIIA, 4
VIIIB, 4
VIB, 3
VIIIB, 7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika diketahui unsur ''X'' memiliki 15 elektron. Maka tentukanlah harga keempat bilangan kuantum elektron terakhir ion A3+?
n=3, l=1, m=+1, s= -1/2
n=3, l=1, m=+1, s= +1/2
n=3, l=0, m=0, s= +1/2
n=3, l=0, m=0, s= -1/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rutherford menemukan bahwa di dalam atom terdapat inti atom bermuatan positif yang disebut nukleus. Partikel punyusun inti atom tersebut adalah ....
Proton
Neutron
Elektron
Proton dan neutron
Proton dan elektron
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tabel periodik modern disusun berdasarkan ....
kenaikan massa atom dan kemiripan sifat
kenaikan nomor atom dan kemiripan sifat
kenaikan jumlah proton dan netron
kenaikan titik leleh dan titik didih
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