
SOAL KIMIA PERIODE 4
Authored by knsu fa
Chemistry
12th Grade
Used 7+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Suatu unsur transisi periode keempat mempunyai sifat-sifat sebagai berikut
1.Bilangan oksida +3 dan +6
2.jika bilangan oksidasinya +3 dalam air berwarna biru atau hijau
3.jika bilangan oksidasinya +6 dalam air berwarna kuning atau jingga
4.larutan kuning jika ditambanh atom akan bersifat oksidator an berubah menjadi jingga
Unsur tersebut adalah
Cu
Ni
Zn
Cr
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Senyawa unsur-unsur transisi periode keempat pada umumnya berwarna.hal ini disebabkan karena
Elektron dalam keadaan berpasangan
Orbital d-nya tidak terisi
Bersifat paramagnetik
Pengisian terakhir pada orbital d
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Nama mineral yang mengandung mangan adalah
Kobaltit
Pirolusit
Kriolit
Bauksit
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Berikut ini merupakan fungsi dari unsur transisi periode keempat.
(1) Bahan pelapis besi
(2) Penghantar Listrik
(3) Bahan bangunan
(4) Bahan penguat
(5) Bahan agar menjadi bercahaya
Yang merupakan fungsi dari titanium adalah
2 dan 3
1 dan 5
3 dan 4
4 dan 5
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Berikut ini yang bukan merupakan mineral yang mengandung bijih besi adalah
Siderit
Rutil
Magnetit
Hematit
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Perunggu merupakan aliasi antara
Tembaga dengan aluminium
Tembaga dengan zink
Tembaga dengan timah
Emas dengan perak
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Nikelkrom merupakan paduan logam dari
Zn,Fe Dan Cu
Fe,Ni dan Cr
Sn,Cu dan Fe
Fe,Cr dan Zn
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