
ULANGAN HARIAN XI A
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
NOOR LAILA
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Jika diketahui unsur A dengan nomor massa 23 dan jumlah neutron sebesar 12, maka jumlah elektron ion A+ adalah…
23
12
11
10
8
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Konfigurasi elektron dari unsur Xe dengan nomor atom 54 adalah….
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d6
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Unsur Cl dengan nomor atom 17 akan memiliki keempat bilangan kuantum sebagai berikut….
n = 3, l = 1, m=0 dan s=+1/2
n = 3, l = 1, m=1 dan s=+1/2
n = 2, l = 1, m=0 dan s=+1/2
n = 3, l = 1, m=0 dan s=-1/2
n = 2, l = 1, m=0 dan s=+1/2
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Atom X memiliki nomor atom 17 dan nomor massa 35 maka ion X- akan memiliki 17 proton, 18 elektron dan 18 neutron.
BENAR
SALAH
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Konfigurasi elektron dari unsur Cr dengan nomor atom 24 adalah….
1s2 2s2 2p6 3s2 3p6 4s2 3d10
1s2 2s2 2p6 3s2 3p6 4s2 3d4
1s2 2s2 2p6 3s2 3p6 4s1 3d5
1s2 2s2 2p6 3s2 3p6 4s1 3d4
1s2 2s2 2p6 3s2 3p6 4s2 3d9
6.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Pilihlah Kelompok unsur yang mana saja termasuk isotop dari pernyataan-pernyataan di bawah ini! (Boleh lebih dari satu)
7.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Pilihlah Kelompok unsur yang mana saja termasuk isoton dari pernyataan-pernyataan di bawah ini! (Boleh lebih dari satu)
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