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Questions and Answers
Which of the following is the formula for the sulphate ion?
Which of the following is the formula for the sulphate ion?
- SO32-
- S2O32-
- SO2-
- SO42- (correct)
The formula for the nitride ion is N2-
The formula for the nitride ion is N2-
False (B)
What is the name of the ionic compound formed between sodium ions (Na+) and chloride ions (Cl-)?
What is the name of the ionic compound formed between sodium ions (Na+) and chloride ions (Cl-)?
Sodium chloride
The ______ ion has the formula CO32-
The ______ ion has the formula CO32-
Match the following negative ions with their corresponding formulas:
Match the following negative ions with their corresponding formulas:
Flashcards
Oxide ion
Oxide ion
A negatively charged ion composed of oxygen with a charge of -2 (O2-).
Sulfate ion
Sulfate ion
A negatively charged ion made of sulfur and four oxygen atoms with a charge of -2 (SO42-).
Carbonate ion
Carbonate ion
A negatively charged ion consisting of carbon and three oxygen atoms, with a charge of -2 (CO32-).
Phosphate ion
Phosphate ion
A negatively charged ion made of phosphorus and four oxygen atoms, with a charge of -3 (PO43-).
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Sodium chloride
Sodium chloride
An ionic compound formed from sodium ions (Na+) and chloride ions (Cl-) resulting in NaCl.
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Negative Ions and Formulas
- Oxide ion: O2-
- Sulphate ion: SO42-
- Sulphite ion: SO32-
- Sulphide ion: S2-
- Carbonate ion: CO32-
- Thiosulphate ion: S2O32-
- Chromate (VI) ion: CrO42-
- Dichromate (VI) ion: Cr2O72-
- Phosphate ion: PO43-
- Nitride ion: N3-
Ionic Compound Formulae
- Sodium chloride: NaCl
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