Struktur Atom
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Renovausi Rusung
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Atom kalium memiliki nomor atom 19. Ketika atom kalium terionisasi membentuk kation, bilangan kuantumnya adalah . . . .
n = 3, l = 1, m = 0, s = +½
n = 3, l = 1, m = –1, s = +½
n = 3, l = 1, m = +1, s = –½
n = 4, l = 0, m = 0, s = +½
n = 4, l = 0, m = 0, s = –½
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Suatu atom memiliki konigurasi elektron 31X: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1.
Unsur dari atom tersebut berada pada sistem periodik . . . .
golongan IA periode 4
golongan IIIB periode 4
golongan IB periode 4
golongan IIIA periode 4
golongan IIIA periode 3
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Pernyataan yang tidak tepat dari sifat periodik unsur adalah . . . .
Unsur golongan halogen memiliki kelektronegatifan yang tinggi
Dalam satu golongan (dari atas ke bawah), afinitas elektron semakin kecil
Unsur golongan IA memiliki energi ionisasi yang lebih besar
dibandingkan golongan IIA
Dalam satu periode (dari kiri ke kanan), jari-jari atom semakin kecil
Unsur golongan VIIA lebih mudah menerima elektron dibandingkan
golongan VIA
4.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Elektron terakhir atom X memiliki 4 bilangan kuantum sebagai berikut.
n = 4, l = 1, m= 0, s = -1/2
Nomor atom unsur X tersebutadalah . . . .
36
35
30
25
20
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Elektron terakhir atom Z memiliki 4 bilangan kuantum sebagai berikut.
n = 4, l = 1, m= 0, s = -1/2
Jumlah elektron yang tidak berpasangan adalah . . . .
5
4
3
2
1
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Unsur-unsur yang terletak dalam satu golongan mempunyai kesamaan pada. . . .
nomor atom
jumlah elektron
massa atom
nomor kulit
elektron valensi
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Untuk mencapai kestabilan elektron terakhir penuh seperti unsur-unsur golongan gas mulia, atom S (Nomor atom = 16) akan . . . .
menangkap 2 elektron
melepaskan 2 elektron
menangkap 1 elektron
melepaskan 1 elektron
melepaskan 2 proton
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