Naming Ionic Compounds Quiz

Reviewed by Zohra Sattar Waxali
Zohra Sattar Waxali, PhD (Chemistry) |
Chemistry
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Dr. Zohra Sattar Waxali earned her doctorate in chemistry and biochemistry from Northwestern University, specializing in the metallomes of cardiac cells and stem cells, and their impact on biological function. Her research encompasses the development of arsenoplatin chemotherapeutics, stapled peptide estrogen receptor inhibitors, and antimicrobial natural products.
 , PhD (Chemistry)
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  • 1/15 Questions

    What is the chemical name of BaO?

    • Beryllium Oxide
    • Barium Oxide
    • Aluminum Oxide
    • Potassium Oxide
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About This Quiz


Ionic compounds are compounds made up of ions. Take this Naming Ionic Compounds Quiz today to find out how well you understand the concept! An ionic compound is formed by the complete transfer of electrons from one atom to another–often from a metal to a nonmetal–and the resulting ions have achieved an octet. Below is a chemistry quiz on ionic See morecompounds, names, and formulas.

Put your knowledge to the test and see how many correct answers you can achieve. Take the plunge into the fascinating realm of chemical naming and discover the satisfaction of mastering the language of chemistry. Start the naming ionic compounds practice quiz now and show off your chemical naming prowess!

Naming Ionic Compounds Quiz - Quiz

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  • 2. 

    What is the formula for Mercury(I) oxalate?

    • Co2(C2O4)3

    • Cr2(C2O4)3

    • Hg2C2O4

    • MnC2O4

    Correct Answer
    A. Hg2C2O4
    Explanation
    Mercury(I) oxalate, with the formula Hg2C2O4, comprises two mercury(I) ions (Hg+) and one oxalate ion (C2O42-). Forming a white solid, this compound arises from the interaction of mercury(I) cations with oxalate anions. The resulting molecular structure showcases the combination of these elements in a distinctive chemical arrangement.

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  • 3. 

    What is the chemical name of K3P?

    • Kryton phosphorous

    • Potassium phosphide

    • Trikrypton phosphide

    • Trikrypton phosphorous

    • Potassium phosphorous

    Correct Answer
    A. Potassium phosphide
    Explanation
    Potassium phosphide is the correct answer because the chemical formula for potassium phosphide is K3P. This compound is formed by the combination of potassium (K) and phosphorous (P). The other options either have incorrect chemical formulas or do not represent the correct combination of elements.

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  • 4. 

    What is the chemical name of FeCl3?

    • Iron trichloride

    • Iron(II) chloride

    • Iron(III) chloride

    • Ferric chloride

    Correct Answer
    A. Iron(III) chloride
    Explanation
    The correct answer, Iron(III) chloride, corresponds to FeCl3 because iron can have multiple oxidation states. Here, the Roman numeral III indicates iron's +3 oxidation state. Chlorine, being a halogen, has a -1 charge. To balance the charges, three chloride ions are needed for each iron ion, resulting in the formula FeCl3. The name distinguishes it from Iron(II) chloride (FeCl2), where iron has a +2 oxidation state. The systematic nomenclature ensures clarity, as the "III" specifies the exact oxidation state, crucial for distinguishing compounds of the same elements but different charge configurations.

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  • 5. 

    What is the chemical name of (NH4)3N?

    • Tetrahydrogen nitride nitrogen

    • Tetranitrogen didecahydrogen

    • Triaminonitride

    • Ammonium nitride

    • Triammonium nitrogen

    Correct Answer
    A. Ammonium nitride
    Explanation
    The correct answer is ammonium nitride because (NH4)3N is formed by combining the ammonium ion (NH4+) and the nitride ion (N3-). The ammonium ion consists of one nitrogen atom bonded to four hydrogen atoms, while the nitride ion consists of one nitrogen atom with a charge of -3. Therefore, when these two ions combine, they form (NH4)3N, which can be referred to as ammonium nitride.

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  • 6. 

    What is the chemical name of Na2CO3?

    • Sodium carbonate

    • Disodium carbonate

    • Disodium carbon trioxide

    • Sodium carbon trioxide

    • Sodium carbonite

    Correct Answer
    A. Sodium carbonate
    Explanation
    Sodium carbonate is the correct answer because it is the common name for Na2CO3. It is a white, crystalline solid that is commonly used in various industries such as glass manufacturing and water treatment. The other options, disodium carbonate, disodium carbon trioxide, sodium carbon trioxide, and sodium carbonite, are not the correct names for Na2CO3.

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  • 7. 

    What is the chemical name of AlBr3?

    • Aluminum bromide

    • Aluminum tribromide

    • Aluminum bromine

    • Aluminum bromite

    Correct Answer
    A. Aluminum bromide
    Explanation
    Aluminum bromide, AlBr3, arises from the reaction of aluminum (Al) and bromine (Br). Aluminum, a metal, forms a +3 cation (Al3+), while bromine, a halogen, forms a -1 anion (Br−). To achieve electrical neutrality, three bromide ions combine with one aluminum ion, resulting in AlBr3. The compound's name reflects its ionic nature, with no need for Roman numerals since aluminum has only one common oxidation state (+3). This precise nomenclature distinguishes it from other bromine compounds like hydrogen bromide (HBr) or sodium bromide (NaBr), ensuring clarity in chemical contexts.

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  • 8. 

    What is the chemical name of LiNO3?

    • Lithium nitrogen trioxide

    • Lithium nitride

    • Lithium nitrite

    • Lithium nitrate

    • Lithium nitrogen oxygen

    Correct Answer
    A. Lithium nitrate
    Explanation
    LiNO3 is the chemical formula for lithium nitrate. It is composed of one lithium ion (Li+) and one nitrate ion (NO3-). The name "lithium nitrate" accurately reflects the composition of the compound, as it contains lithium and nitrate ions. The other options, such as "lithium nitrogen trioxide" and "lithium nitrite," do not accurately represent the composition of LiNO3. Therefore, the correct answer is lithium nitrate.

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  • 9. 

    What is the correct formula for Gallium Hydroxide?

    • Ga(OH)3

    • Gl3O

    • Ga3O2

    • Gl(OH)2

    • Ga(HO)2

    Correct Answer
    A. Ga(OH)3
    Explanation
    The correct formula for gallium hydroxide is Ga(OH)3. This is because gallium is a metal with a +3 charge, and hydroxide is a polyatomic ion with a -1 charge. To balance the charges, three hydroxide ions are needed for every gallium ion, resulting in the formula Ga(OH)3. The other options, Gl3O, Ga3O2, Gl(OH)2, and Ga(HO)2, do not correctly represent the combination of gallium and hydroxide ions.

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  • 10. 

    What is the chemical name of MgHPO4?

    • Magnesium cyanide

    • Magnesium hydrogen phosphate

    • Magnesium phosphite

    • Magnesium carbonate

    Correct Answer
    A. Magnesium hydrogen phosphate
    Explanation
    Magnesium hydrogen phosphate, with the chemical formula MgHPO4, is a salt that contains magnesium, hydrogen, phosphorus, and oxygen. It is commonly known as Magnesium hydrogen phosphate. This compound is often encountered in the context of chemistry and biochemistry.

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  • 11. 

    What is the formula for calcium nitrate?

    • Ca(NO3)2

    • CaNO3

    • Ca2NO3

    • Ca2(NO3)3

    Correct Answer
    A. Ca(NO3)2
    Explanation
    Calcium nitrate's formula, Ca(NO3)2, reflects the combination of a calcium ion (Ca2+) with nitrate ions (NO3−). Calcium has a +2 charge, while nitrate has a -1 charge. To neutralize the charge, two nitrate ions are required for each calcium ion, resulting in Ca(NO3)2. This stoichiometric ratio ensures electrical neutrality. Nitrate is a polyatomic ion, and the parentheses indicate that two nitrate groups are bonded to one calcium atom, highlighting the compound's ionic structure. The name adheres to IUPAC rules, distinguishing it from other calcium salts like calcium nitrite (Ca(NO2)2).

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  • 12. 

    What is the chemical name of CuSO4?

    • Copper(II) sulfate

    • Copper sulfate

    • Copper(III) sulfate

    • Copper monosulfate

    Correct Answer
    A. Copper(II) sulfate
    Explanation
    Copper(II) sulfate (CuSO4) is named based on copper's +2 oxidation state, as indicated by the Roman numeral II. Sulfate (SO4) is a polyatomic ion with a -2 charge. The charges of copper and sulfate balance directly, requiring no subscript adjustments in the formula. The Roman numeral clarifies this copper salt from others like Copper(I) sulfate (Cu2SO4), where copper has a +1 charge. This distinction is vital in chemical applications, as the properties and reactivity of copper compounds depend on their oxidation states. The nomenclature ensures accurate identification of the compound's composition.

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  • 13. 

    What is the chemical formula for strontium chloride?

    • SrCl2

    • SrCl

    • Sr2Cl3

    • SrClO2

    • SrClO3

    Correct Answer
    A. SrCl2
    Explanation
    The correct formula for strontium chloride is SrCl2. This formula indicates that there is one strontium ion (Sr) and two chloride ions (Cl) in the compound. The subscript "2" after Cl indicates that there are two chloride ions present.

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  • 14. 

    What is the formula for zinc phosphate?

    • Zn3(PO4)2

    • Zn2(PO4)3

    • Zn(PO4)

    • Zn2P2O8

    Correct Answer
    A. Zn3(PO4)2
    Explanation
    Zinc phosphate, Zn3(PO4)2, is formed from zinc ions (Zn2+) and phosphate ions (PO4−3). Each zinc ion carries a +2 charge, and each phosphate ion has a -3 charge. To balance the charges, three zinc ions and two phosphate ions combine, resulting in a neutral compound. The formula indicates that the subscripts reflect the ratio needed for charge neutrality. Zinc phosphate's name clearly identifies the metal and the polyatomic ion, ensuring it is not confused with compounds like zinc sulfate or zinc oxide. Its precise stoichiometry is critical in industrial and chemical applications.

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  • 15. 

    What is the formula for aluminum sulfide?

    • Al2(SO4)3

    • AlS

    • Al2S3

    • Al3(SO3)2

    • AlSO3

    Correct Answer
    A. Al2S3
    Explanation
    The correct formula for aluminum sulfide is Al2S3. This is because aluminum has a +3 charge and sulfur has a -2 charge. In order to balance the charges, two aluminum atoms are needed to combine with three sulfur atoms, resulting in the formula Al2S3.

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Zohra Sattar Waxali |PhD (Chemistry) |
Chemistry
Dr. Zohra Sattar Waxali earned her doctorate in chemistry and biochemistry from Northwestern University, specializing in the metallomes of cardiac cells and stem cells, and their impact on biological function. Her research encompasses the development of arsenoplatin chemotherapeutics, stapled peptide estrogen receptor inhibitors, and antimicrobial natural products.

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  • Current Version
  • Feb 27, 2025
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  • Nov 18, 2009
    Quiz Created by
    Wathens

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