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Questions and Answers
What is the correct name for the compound indicated by the formula FeS₂?
What is the correct name for the compound indicated by the formula FeS₂?
- Iron sulfide
- Iron(III) sulfide (correct)
- Iron(II) sulfate
- Iron(II) sulfide
Which oxidation state of iron is present in the compound FeS₂?
Which oxidation state of iron is present in the compound FeS₂?
- +4
- +2
- +1
- +3 (correct)
What is the chemical formula for Iron sulfide, which is different from FeS₂?
What is the chemical formula for Iron sulfide, which is different from FeS₂?
- Fe₂S₃
- Fe(II)S₂
- FeS₄
- FeS (correct)
What is the primary difference between Iron(II) sulfide and Iron(III) sulfide?
What is the primary difference between Iron(II) sulfide and Iron(III) sulfide?
Which of the following compounds contains iron in the same oxidation state as in FeS₂?
Which of the following compounds contains iron in the same oxidation state as in FeS₂?
Flashcards
Chemical Compound
Chemical Compound
A compound formed when two or more elements chemically combine in a fixed ratio.
Chemical Formula
Chemical Formula
The chemical formula for a compound, showing the types and number of atoms present. For example, FeS₂ indicates one iron atom and two sulfur atoms.
Ionic Compound
Ionic Compound
When a metal combines with a non-metal, they form an ionic compound.
Oxidation State
Oxidation State
The oxidation state of an element in a compound is its apparent charge.
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Stock Nomenclature
Stock Nomenclature
The name of a compound that uses Roman numerals to indicate the oxidation state of a metal.
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Compound Naming
- The chemical formula FeS refers to iron sulfide.
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