
Sifat Kimia Unsur
Authored by Israyati Israyati
Chemistry
12th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Yang merupakan konfigurasi elektron suatu unsur gas mulia adalah ….
(A) 1s2 2s2
(B) 1s2 2s2 2p6 3s2
(C) 1s2 2s2 2p6 3s2 3p3
(D) 1s2 2s2 2p6 3s2 3p5
(E) 1s2 2s2 2p63s2 3p6
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Unsur gas mulia yang memiliki kelimpahan terbanyak di alam adalah ….
(A) Radon
(B) Kripton
(C) Argon
(D) Neon
(E) Helium
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Gas mulia sulit bereaksi disebabkan ….
(A) Energy ionisasi besar
(B) Konfigurasi electron stabil
(C) Terletak dalam golongan VIIIA
(D) Mempunyai jumlah electron genap
(E) Jari-jari atomnya relative kecil
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Unsur halogen yang berwujud cair pada suhu kamar adalah ….
(A) Florin
(B) Klorin
(C) Bromine
(D) Iodine
(E) Astatine
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Unsur halogen yang paling mudah direduksi adalah …
(A) F2
(B) CI2
(C) Br2
(D) I2
(E) At2
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Jika logam Na dimasukan ke dalam air yang sudah ditetesi indicator p p maka larutan berubah menjadi merah. Pada reaksi tersebut zat yang dihasilkan adalah ….
(A) O2
(B) H2
(C) Na2O
(D) NaOH
(E) NaH
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Warna nyala logam alkali yang berwarna kuning berasal dari unsur ….
(A) Li
(B) Na
(C) K
(D) Rb
(E) Cs
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