POSTEST UNSUR PERIODE KEEMPAT
Authored by rafini margono
Chemistry
12th Grade
Used 18+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pada unsur transisi periode ke-4, nilai energy ionisasi dari Sc ke Zn semakin menurun.
benar
salah
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unsur transisi periode ke-4 memiliki daya hantar listrik dan panas secara umum semakin meningkat.
benar
salah
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sifat kemagnetan unsure periode ke-4 terbagi atas paramagnetik dan ferromagnetik.
benar
salah
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Warna pada ion logam transisi disebabkan oleh orbital d yang terisi electron dengan penuh
benar
salah
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses ekstraksi besi biasa disebut dengan tanur tiup.
benar
salah
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokas dalam proses ekstrasi besi berfungsi sebagai bahan pereduksi.
benar
salah
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Monel merupakan aliansi campuran antar logam yang terdiri dari unsure nikel, krom dan besi.
benar
salah
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