struktur atom dan sistem periodik unsur
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Alis Rahmawati
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30 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
penyusunan system periodic di bawah ini menggunakan kenaikan nomor atom adalah ….
triade dobereiner
system periodic Panjang
oktav newland
system periodic Lothar mayer
system periodic mandeleev
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
konfigurasi electron ion L3+ adalah 1s2 2s2 2p6 3s2 3p6 3d3 dalam system periodic atom unsur L terletak pada ….
periode 3 golongan VIA
periode 3 golongan VIIA
periode 4 golongan IVA
periode 4 golongan VIA
periode 4 golongan VIB
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
konfigurasi electron yang benar dari unsur golongan IIA periode 3 adalah ….
1s2 2s2 2p5
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3p6
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ion X+2 mempunyai susunan elektron: 1s2 2s2 2p6 3s2 3p6 3d5, sehingga atom X
(1) Mempunyai proton sebanyak 25
(2) Terletak pada periode 4
(3) Merupakan unsur golongan VIIB
(4) Mempunyai jari-jari lebih kecil dari jari-jari 34Se
pernyataan yang tepat adalah ….
(1) dan (4)
(2) dan (3)
Betul semua
(1), (2), dan (3)
(1), (2), dan (4)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
pernyataan yang salah untuk unsur dalam satu periode dari kiri ke kanan adalah ….
jari-jari atom makin kecil
energi ionisasi unsur-unsur semakin besar
afinitas electron cenderung bertambah
keelektronegatifan unsur semakin tinggi
oksidasinya selalu merupakan oksidasi asam
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika jari-jari atom unsur S, Cl, O, Br dan l secara sembarang dalam Angstrom, A, adalah: 1,81; 1,04; 0,99; 0,66; 1,14. Maka jari-jari atom S kemungkinan adalah
1,81
1,04
0,99
0,66
1,14
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
unsur yang jari-jari atomnya terbesar adalah ….
11 Na
13 Al
14 Si
17 Cl
12 Mg
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