STRUKTUR ATOM
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
Wan Nawawi
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom kalium mempunyai jumlah proton, neutron dan elektron berturut-turut sebanyak ….
19, 19, dan 19
20, 19, dan 20
19, 39, dan 20
20, 19, dan 39
19, 20, dan 19
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tiga buah unsur dengan notasi sebagai berikut: 11P23, 12Q24, 17R35
Konfigurasi elektron unsur P adalah .... (Nomor atom Ne = 10, Ar = 18)
[Ne] 3s1
[Ne] 4s1
[Ar] 3s1
[Ar] 4s1
[Ar] 4s2 3d3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unsur X pada gambar terletak pada
Periode 2 Golongan IA
Periode 3 Golongan IA
Periode 3 Golongan IIA
Periode 1 Golongan IA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lambang suatu unsur adalah , maka dalam satu atom unsur tersebut terdapat . . . . .
16 proton, 14 elektron, 14 neutron
16 proton, 14 elektron, 30 neutron
30 proton, 30 elektron, 16 neutron
16 proton, 16 elektron, 14 neutron
16 proton, 16 elektron, 30 neutron
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kelemahan model atom Rutherford adalah . . . .
Tidak dapat menerangkan alasan elektron tidak jatuh ke dalam inti
Atom merupakan bola beronggga yang terdiri atas proton
Elektron Bergerak mengitari inti dengan menyerap energi
Tidak dapat menggambarkan letak dan lintasan elektron
Jarak elektron dengan inti terlalu jauh sehingga tidak ada gaya gravitasi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan yang tepat mengenai atom dan partikel penyusun atom adalah . . . .
Neutron terdapat pada kulit atom dan bergerak mengelilingi proton
Proton terletak pada kulit atom dan bermuatan negatif
Neutron terletak pada inti atom dan bergerak bersama elekron
Jumlah proton pada setiap atom lebih banyak dari jumlah elektronnya
Elektron bermuatan negatif dan tersebar dalam kulit-kulit atom
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom Natrium mempunyai nomor massa 23 dan nomor atom 11. Atom ini mempunyai . . . .
11 neutron
11 proton
12 elektron
23 neutron
23 elektron
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