
Sistem periodik unsur
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Niti Saraswati
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unsur X terdapat pada periode 4 golongan VIIB. Konfigurasi elektron unsur X adalah….
[Ne] 3s2 3p3
[Ar] 4s2 3d3
[Ar] 4s2 3d5
[Kr] 5s2 4d3
[Kr] 5s2 4d5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dalam satu periode jika jari-jari atom semakin kecil maka . . . .
Energi ionisasinya semakin kecil
Semakin mudah membentuk ion positif
Afinitas elektronnya semakin kecil
Keelektronegatifannya semakin besar
Semakin sulit membentuk ion negatif
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu atom mempunyai nomor massa 80 dan memiliki jumlah neutron 45. Unsur tersebut terletak pada . . . .
Golongan IA periode 6
Golongan IIA periode 6
Golongan VIA periode 1
Golongan VIA periode 2
Golongan VIIA periode 4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diantara pernyataan berikut yang merupakan salah satu sifat keperiodikan unsur adalah . . . .
Dalam satu golongan dari atas ke bawah energi ionisasi semakin besar
Dalam satu golongan dari atas ke bawah keelektronegatifan semakin besar
Dalam satu periode dari kiri ke kanan afinitas elektron semakin kecil
Dalam satu periode dari kiri ke kanan jari-jari atom semakin besar
Dalam satu golongan dari atas ke bawah jari-jari atom semakin besar
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu unsur terdapat pada periode kedua golongan VIIA. Nomor atom unsur tersebut adalah….
5
6
7
8
9
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unsur dari golongan halogen yang energi ionisasinya paling besar adalah . . . .
Flourin
Klorin
Bromin
Iodin
Astatin
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unsur dengan nomor atom 20 dalam system periodic terletak pada....
Periode 5, golongan IA
Periode 5, golongan VIIA
Periode 4, golongan IV B
Periode 4, golongan II A
Periode 1, golongan VA
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