Skandium (Sc)

Unsur Transisi Periode 4

Flashcard
•
Chemistry
•
10th Grade
•
Easy
Rahmi Nurmaya
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11 questions
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1.
FLASHCARD QUESTION
Front
Back
Terdapat dalam mineral torvetit (Sc2SiO7).
2.
FLASHCARD QUESTION
Front
Titanium (Ti)
Back
Terdapat dalam mineral rutil (TiO2) dan bijih besi sebagai ilmenit (FeTi)2O3 dan ferrotitanate (FeTiO3).
3.
FLASHCARD QUESTION
Front
Vanadium (V)
Back
Terdapat dalam senyawa karnotit [(K2(UO2)2(VO4)2.3H2)] dan vanadinit (Pb5(VO4)3Cl).
4.
FLASHCARD QUESTION
Front
Kromium (Cr)
Back
Bijih utama adalah kromit (FeO.Cr2O2) dan sejumlah kecil dalam kromoker.
5.
FLASHCARD QUESTION
Front
Mangan (Mn)
Back
Bijih utama berupa pirulosit (MnO2) dan rodokrosit (MnCO3).
6.
FLASHCARD QUESTION
Front
Besi (Fe)
Back
Unsur yang cukup melimpah di kerak bumi (sekitar 6,2% massa kerak bumi), ditemukan dalam bentuk mineral seperti hematite (Fe2O3), siderite (FeCO3), dan magnetite (Fe3O4).
7.
FLASHCARD QUESTION
Front
Kobalt (Co)
Back
Terdapat sebagai arsenida dari Fe, Co, Ni, dikenal sebagai smaltit, kobaltit (CoFeAsS) dan eritrit Co3(AsO4)2.8H2O.
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