Sumatif LM 1 (Ikatan Kimia)
Quiz
•
Chemistry
•
11th Grade
•
Hard
Herlina Lina
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Unsur dengan konfigurasi elektron: 2, 8, 8, 2, jika akan mengikat unsur lain untuk membentuk senyawa, maka langkah terbaik dengan …
Pelepasan 1 elektron, sehingga bermuatan +1
Pelepasan 2 elektron, sehingga bermuatan +2
Penangkapan 1 elektron, sehingga bermuatan -1
Penangkapan 2 elektron, sehingga bermuatan -2
.Memasangkan 2 elektron dengan 2 elektron lainnya
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Nomor atom unsur P, Q, R dan S adalah 6, 9, 11, 18. Pasangan unsur- unsur yang dapat membentuk ikatan ionic adalah…
P dan Q
R dan Q
Q dan S
S dan R
P dan S
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Kulit terluar atom pusat suatu molekul mempunyai 6 pasang elektron yang terdiri dari 4 pasang elektron terikat dan 2 pasang elektron bebas. Bentuk molekilnya adalah....
Octahedron
Tetrahedron
Segitiga planar
Linear
Trigonal bipiramida
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Deret bilangan kuantum yang sesuai untuk elektron terakhir pada 3d2 adalah ....
n = 3, l = 2, m = -3, s = + ½
n = 3, l = 3, m = +2, s = - ½
n = 3, l = 1, m = 0, s = + ½
n = 3, l = 1, m = 0, s = + ½
n = 3, l = 2, m = -1, s = + ½
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Pernyataan yang tidak tepat dari sifat keperiodikan unsur adalah....
Dalam 1 periode (dari kiri ke kanan), jari-jari atom semakin kecil
dalam satu golongan (dari atas ke bawah), afinitas elektron semakin kecil
Unsur golongan IA memiliki energi ionisasi yang lebih besar dibandingkan golongan IIA
Unsur golongan halogen memiliki keelektronegatifan yang tinggi
unsur golongan VIIA lebih mudah menerima elektron dibandingkan golongan VIA.
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Suatu atom yang elektron terakhirnya memiliki bilangan kuantum n = 3; l = 2; m = -1; s = – ½, maka nomor atom unsur tersebut adalah ….
18
24
27
29
30
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Suatu unsur X dengan nomor atom 27 mempunyai orbital....
8
10
13
14
15
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