Inorganic Compounds and Naming
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Inorganic Compounds and Naming

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Questions and Answers

What is the correct acid name for H2SO3?

  • Sulfide acid
  • Sulfuric acid
  • Thiosulfuric acid
  • Sulfurous acid (correct)

    • Which of the following compounds is correctly named according to the systematic nomenclature for ionic compounds?

  • Aluminum(III) oxide
  • Copper(II) dichloride
  • Mercury(I) chloride
  • Titanium(IV) oxide (correct)

    • How is chlorate ion (ClO3-) related to its corresponding acid?

  • It is made from hydrochloric acid.
  • It corresponds to chloric acid. (correct)
  • It is related to sulfuric acid.
  • It forms hypochlorous acid.

    • Identify the correct representation of manganese dioxide using systematic nomenclature.

    <p>Manganese(IV) oxide</p> Signup and view all the answers

    What kind of compound is Na2MoO4 and how should it be named?

    <p>Sodium molybdate</p> Signup and view all the answers

    What is the empirical formula of ascorbic acid given its molecular formula C6H8O6?

    <p>C3H4O3</p> Signup and view all the answers

    In Nathan Zohner's experiment, what was the primary substance he proposed to ban, presented as having dangerous properties?

    <p>Dihydrogen monoxide</p> Signup and view all the answers

    Which of the following options correctly describes the molecular formula of Vitamin C?

    <p>C6H8O6</p> Signup and view all the answers

    What percentage of hydrogen is present in Vitamin C based on its mass percentage composition?

    <p>4.57%</p> Signup and view all the answers

    Which property of dihydrogen monoxide was NOT mentioned by Nathan Zohner in his petition?

    <p>It is an essential nutrient for plants.</p> Signup and view all the answers

    Which of the following correctly represents the ratio of elements in table salt?

    <p>One sodium to one chloride</p> Signup and view all the answers

    What is indicated by the term 'empirical formula' as presented in the context of chemical compounds?

    <p>The lowest common multiple of atoms represented as chemical symbols.</p> Signup and view all the answers

    Which statement reflects a common misconception highlighted by Nathan Zohner's experiment?

    <p>Dihydrogen monoxide is harmful in all forms.</p> Signup and view all the answers

    Which ion is correctly paired with its chemical formula?

    <p>Chlorate - ClO3–</p> Signup and view all the answers

    What is the correct name for the ion with the formula HPO42–?

    <p>Hydrogen phosphate</p> Signup and view all the answers

    Which of the following ions has a negative charge of -2?

    <p>Sulfite</p> Signup and view all the answers

    Which compound represents hydrochloric acid?

    <p>HCl</p> Signup and view all the answers

    What is the charge of the ammonium ion?

    <p>+1</p> Signup and view all the answers

    Which of the following ions is the bicarbonate ion?

    <p>HCO3–</p> Signup and view all the answers

    Which of the following correctly describes the sulfate ion?

    <p>SO4 2–</p> Signup and view all the answers

    Which name corresponds to the ion with the formula ClO2–?

    <p>Chlorite</p> Signup and view all the answers

    What is the chemical name for H3PO4?

    <p>Phosphoric acid</p> Signup and view all the answers

    Which of the following ions has a formula of NO3–?

    <p>Nitrate</p> Signup and view all the answers

    What is the correct formula for lithium carbonate?

    <p>Li2CO3</p> Signup and view all the answers

    Which of the following anions is formed from a nonmetallic element in Group V?

    <p>Nitride</p> Signup and view all the answers

    Which oxanion name indicates one less oxygen than its '-ate' counterpart?

    <p>Sulfite</p> Signup and view all the answers

    What is the maximum charge of a monoatomic anion from Group VI elements?

    <p>2–</p> Signup and view all the answers

    When naming monoatomic anions, what suffix is added to the stem of the element's name?

    <p>-ide</p> Signup and view all the answers

    Which of the following statements regarding anions is false?

    <p>Anions are always derived from metallic elements.</p> Signup and view all the answers

    What does the term '-ite' signify in the naming of an oxanion?

    <p>It has less oxygen than the '-ate' form.</p> Signup and view all the answers

    Which ion is a common cation from Group I?

    <p>Na+</p> Signup and view all the answers

    The maximum charge of a monoatomic anion is determined by which formula?

    <p>Group number - 8</p> Signup and view all the answers

    Which of the following anions is the correct name for Cl–?

    <p>Chloride</p> Signup and view all the answers

    What is the systematic name for a cation formed by the element sodium?

    <p>Sodium ion</p> Signup and view all the answers

    Which of the following represents the characteristic charge of aluminum as a cation?

    <p>+3</p> Signup and view all the answers

    What naming convention is used to distinguish between different cation charges of copper?

    <p>Stock numbering</p> Signup and view all the answers

    Which of the following pairs correctly matches a metal with its older and newer cation names?

    <p>Copper, cupric, copper(II)</p> Signup and view all the answers

    What is the correct systematic name for the cation Fe2+?

    <p>Iron(II) ion</p> Signup and view all the answers

    What happens to an atom when it transforms into a cation?

    <p>It loses electrons</p> Signup and view all the answers

    Which element's cation is named mercurous in older nomenclature?

    <p>Hg22+</p> Signup and view all the answers

    What is the characteristic charge of lead when it forms a cation?

    <p>+2</p> Signup and view all the answers

    Which of the following cation names correctly reflects its charge and element?

    <p>Iron(III), Fe3+</p> Signup and view all the answers

    Which group of elements typically forms a cation with a charge equal to its group number?

    <p>Main group metals</p> Signup and view all the answers

    Study Notes

    Compounds

    • A compound is a substance consisting of atoms of two or more elements in a definite ratio.
    • The empirical formula shows the relative number of atoms of each element in a simple ratio.
    • The molecular formula shows the actual number of atoms of each element present in a molecule.

    Naming Inorganic Compounds

    • Common names often give little clue to the compound's composition.
    • Systematic names reveal which elements are present and are constructed according to rules.
    • Cations are positively charged ions formed by the loss of electrons from a neutral atom.
    • Metallic elements form cations by adding "ion" to the element name.
    • Some elements always form cations with a characteristic charge number, like Group I (+1), Group II (+2), Zn and Cd (+2), and Al (+3).
    • Stock numbers are used to distinguish between two ions of the same element with different charges.
    • Older naming conventions used "ous" and "ic" suffixes and/or Latin names of compounds.
    • Anions are negatively charged ions formed by the gain of electrons from a neutral atom.
    • Nonmetallic elements typically form anions.
    • Monoatomic anions are named by adding "-ide" to the stem of the element name.
    • Oxanions are named by using suffixes like "-ate" and "-ite" based on the number of oxygen atoms in the anion.
    • Oxoacids are named by replacing "-ate" with "-ic acid" and "-ite" with "-ous acid".
    • Ionic compounds are named in the order (cation)(anion), omitting the word "ion".
    • Prefixes are not used in the systematic nomenclature for ionic compounds, as the number of anions can be determined from the charge of the cation.

    Multi-Vitamin Preparations

    • Multi-vitamin preparations often contain a variety of inorganic compounds, including:
      • Calcium: CaHPO4 (calcium hydrogen phosphate), CaCO3 (calcium carbonate)
      • Magnesium: MgO (magnesium oxide)
      • Iron: FeSO4 (ferrous sulfate), C4H2FeO4 (iron (II) glycinate)
      • Zinc: ZnO (zinc oxide)
      • Manganese: MnSO4 (manganese sulfate)
      • Copper: CuSO4 (copper sulfate)
      • Chromium: CrCl3 (chromium (III) chloride)
      • Molybdenum: Na2MoO4 (sodium molybdate)
      • Iodine: KI (potassium iodide)
      • Selenium: Na2SeO4 (sodium selenate)

    Infant Formula

    • Infant formulas often contain a variety of compounds, including:
      • Calcium: Ca3(PO4)2 (calcium phosphate)
      • Potassium: K+ (potassium ion), K3C6H5O7 (potassium citrate)
      • Sodium: NaCl (sodium chloride)
      • Magnesium: MgCl2 (magnesium chloride)
      • Iron: FeSO4 (ferrous sulfate)
      • Zinc: ZnSO4 (zinc sulfate)
      • Copper: CuSO4 (copper sulfate)
      • Iodine: KI (potassium iodide)
      • Other: KOH (potassium hydroxide), Na2SeO4 (sodium selenite)

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    Description

    This quiz covers the basics of inorganic compounds, including definitions, empirical and molecular formulas, and the naming conventions for various compounds. It also highlights the importance of understanding cations and their charge numbers, as well as systematic versus common names.

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