Struktur Atom dan Sistem Periodik Unsur
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
annisa sholeha
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Gambar teori atom berikut dikemukakan oleh .... menunjukkan bahwa atom ....
Thomson / merupakan bagian terkecil penyusun materi berbentuk seperti bola pejal
Rutherford / terdiri dari inti atom yang terletak tepat di tengah dan elektron yang bergerak mengelilingi inti atom
Dalton / merupakan bagian terkecil penyusun materi berbentuk seperti bola pejal
Thomson / digambarkan seperti roti kismis, bola pejal bermuatan positif dan tersebar elektron bermuatan negatif
Bohr / terdiri dari inti atom berupa proton dan neutron yang dikelilingi elektron dan bergerak mengelilingi inti pada lintasan tertentu
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah nomor atom dan nomor massa dari unsur Ca (Kalsium)?
Nomor atom 20, Nomor massa 40
Nomor atom 40, Nomor massa 20
Nomor atom 20. Nomor massa 20
Nomor atom 40, Nomor massa 40
Semua jawaban salah
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berpakah jumlah setiap partikel sub atomik dari unsur Ca ?
Proton 40, Elektron 20, Neutron 40
Proton 20, Elektron 20, Neutron 20
Proton 20, Elektron 40, Neutron 20
Proton 40, Elektron 40, Neuton 20
Proton 40, Elektron 40, Neutron 40
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
1. Jika suatu unsur 17X memiliki konfigurasi elektron 1s2 2s2 2p6 3s2 3p5.
Harga keempat bilangan kuantum yang tepat dari elektron terakhir unsur tersebut adalah ….
n : 3, l : 1, m : +1, s : +1/2
n : 3, l : 1, m : +1, s : -1/2
n : 3, l : 1, m : 0, s : -1/2
n : 3, l : 1, m : 0, s : +1/2
n : 3, l: 1, m: -1, s: -1/2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Unsur 17X memiliki konfigurasi elektron 1s2 2s2 2p6 3s2 3p5.
Terletak pada golongan dan periode berapakah unsur X tersebut?
Golongan VIIA ; Periode 2
Golongan VIIA ; Periode 3
Golongan VA ; Periode 3
Golongan VA ; Periode 2
Golongan IIIA ; Periode 5
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Konfigurasi elektron dari unsur 18Ar adalah ….
1s2 2s2 2p6 3s2 3p6
1s2 2s2 2p6 3s2 3p5
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2 3p2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berapakah jumlah keseluruhan elektron yang dimiliki unsur P jika konfigurasi elektron yang dimilikinya adalah :
1s2 2s2 2p6 3s2 3p3
3 elektron
5 elektron
15 elektron
30 elektron
0 elektron
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