penilaian harian kimia kelas 10 bab struktur atom dan SPU
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
piyan rudianto
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
perhatikan beberapa pernyataan tentang atom berikut.
- atom berbentuk bola pejal
- elektron tidak melepas dan menyerap energi
- atom suatu unsur adalah identik
- elektron bergerak mengitari inti atom pada tingkat energi tertentu
- atom terdiri atas inti atom dan elektron
pernyataan yang berkaitan dengan teori atom menurut john Dalton terdapat pada nomor ....
1 dan 2
1 dan 3
2 dan 3
2 dan 4
4 dan 5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
kelemahan teori atom Rutherford adalah tidak adanya penjelasan tentang ....
partikel penyusun inti
massa atom yang berpusat pada inti
elektron yang bergerak mengitari inti pada jarak tertentu
inti atom yang bermuatan positif
elektron yang memiliki energi tetap
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
bromin dengan nomor atom 35 mempunyai konfigurasi elektron ....
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5
1s2 2s2 2p6 3s2 3p6 4s2 3d8 4p5
1s2 2s2 2p6 3s2 3p6 4s2 3d8 4p6
1s2 2s2 2p6 3s2 3p6 4s2 3d8 4p3
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
nilai keempat bilangan kuantum elektron terakhir dari atom Cl yang mempunyai nomor atom 17 adalah ....
n = 2, l = 0, m = 0, s = -1/2
n = 3, l = 1, m = 0, s = -1/2
n = 3, l = 0, m = 0, s = +1/2
n = 3, l = 1, m = -1, s = -1/2
n = 3, l = 1, m = +1, s = +1/2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
elektron terakhir atom X memiliki nilai empat bilangan kuantum : n = 4, l = 0, m = 0, s = +1/2. nomor atom unsur X adalah ....
19
20
28
37
45
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
ion X3+ memiliki konfigurasi elektron : [Ar] 3d5. jika atom X memiliki neutron sebanyak 30, atom X tersebut memiliki nomor massa ....
28
31
56
60
63
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
unsur Mn dengan nomor atom 25 dan nomor massa 55, memiliki jumlah elektron, proton, dan neutron berturut-turut adalah ....
25, 25 dan 30
25, 25 dan 55
25, 30 dan 25
30, 25 dan 25
30, 25 dan 55
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