Chemistry Chapter 6 Learning Check
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Questions and Answers

What is the formula and symbol of an ion with 16 protons and 18 electrons?

S2−

Identify calcium and chlorine as either a metal or a nonmetal.

  • Both are Metals
  • Both are Nonmetals
  • Calcium = Metal; Chlorine = Nonmetal (correct)
  • Calcium = Nonmetal; Chlorine = Metal

    • How many valence electrons does calcium have?

    2

    How many valence electrons does chlorine have?

    <p>7</p> Signup and view all the answers

    What is the symbol and ionic charge of calcium?

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

    What is the symbol and ionic charge of chloride?

    <p>Cl−</p> Signup and view all the answers

    What is the ionic formula for the compound formed with Ba2+ and Cl− ions?

    <p>BaCl2</p> Signup and view all the answers

    Select the correct formula for Na^+ and O^2−.

    <p>Na2O</p> Signup and view all the answers

    Select the correct formula for Al^3+ and Cl−.

    <p>AlCl3</p> Signup and view all the answers

    Select the correct formula for Mg^2+ and N^3−.

    <p>Mg2N3</p> Signup and view all the answers

    What is the name of CaO?

    <p>calcium oxide</p> Signup and view all the answers

    What is the name of Al2S3?

    <p>aluminum sulfide</p> Signup and view all the answers

    What is the name of MgCl2?

    <p>magnesium chloride</p> Signup and view all the answers

    What is the name of the ionic compound FeCl2?

    <p>iron(II) chloride</p> Signup and view all the answers

    What is the name of the ionic compound MnO2?

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

    What is the formula for tin(II) chloride?

    <p>SnCl2</p> Signup and view all the answers

    What is the formula for nickel(II) sulfide?

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

    What is the formula for iron(III) oxide?

    <p>Fe2O3</p> Signup and view all the answers

    What is the formula for aluminum bicarbonate?

    <p>Al(HCO3)3</p> Signup and view all the answers

    What is the formula for sodium phosphate?

    <p>Na3PO4</p> Signup and view all the answers

    Select the correct formula for aluminum nitrate.

    <p>Al(NO3)3</p> Signup and view all the answers

    Select the correct formula for tin(IV) hydroxide.

    <p>Sn(OH)4</p> Signup and view all the answers

    What is the name of Ca(NO3)2?

    <p>calcium nitrate</p> Signup and view all the answers

    What is the name of SnSO4?

    <p>tin(II) sulfate</p> Signup and view all the answers

    What is the name of MgSO3?

    <p>magnesium sulfite</p> Signup and view all the answers

    What is the name of MgSO4?

    <p>magnesium sulfate</p> Signup and view all the answers

    What is the name of Pb3(PO3)2?

    <p>lead(II) phosphite</p> Signup and view all the answers

    What is the name of Fe2(SO4)3?

    <p>iron(III) sulfate</p> Signup and view all the answers

    What is the name of Ba3(PO3)2?

    <p>barium phosphite</p> Signup and view all the answers

    What is the name of NiCO3?

    <p>nickel(II) carbonate</p> Signup and view all the answers

    What is the formula for diphosphorus pentoxide?

    <p>P2O5</p> Signup and view all the answers

    Study Notes

    Sulfur Ion

    • Sulfur has 16 protons and is represented by the symbol S.
    • An ion of sulfur with 18 electrons has a charge of 2−, denoting it as the sulfide ion (S2−).

    Calcium and Chlorine

    • Calcium is a metal located in Group 2A with 2 valence electrons.
    • Chlorine is a nonmetal in Group 7A with 7 valence electrons.
    • Calcium loses 2 electrons to achieve an octet, while chlorine gains 1 electron.
    • Resulting ions are Ca²⁺ (calcium ion) and Cl⁻ (chloride ion).

    Ionic Compound Formation

    • The ionic formula for the compound formed by Ba²⁺ and Cl⁻ is BaCl₂.
    • Charges balance as 1(2+) + 2(1−) = 0.

    Ionic Compounds from Cations and Anions

    • Sodium and oxygen form sodium oxide (Na₂O) as 2Na⁺ and O²⁻ balance.
    • Aluminum and chlorine yield aluminum chloride (AlCl₃) balancing 1Al³⁺ with 3Cl⁻.
    • Magnesium and nitrogen create magnesium nitride (Mg₃N₂) balancing 3Mg²⁺ and 2N³⁻.

    Naming Ionic Compounds

    • CaO is named calcium oxide.
    • Al₂S₃ is named aluminum sulfide.
    • MgCl₂ is named magnesium chloride.

    Ionic Compound Nomenclature

    • FeCl₂ is known as iron(II) chloride.
    • MnO₂ is referred to as manganese(IV) oxide.

    Chemical Formulas

    • Tin(II) chloride is represented as SnCl₂.
    • Nickel(II) sulfide is denoted as NiS.
    • Iron(III) oxide has the formula Fe₂O₃.

    Bicarbonate and Phosphate Compounds

    • Aluminum bicarbonate is written as Al(HCO₃)₃.
    • Sodium phosphate is formulated as Na₃PO₄.

    Complex Ionic Compounds

    • Aluminum nitrate is correctly represented as Al(NO₃)₃.
    • Tin(IV) hydroxide is represented by Sn(OH)₄.

    Naming Complex Compounds

    • Ca(NO₃)₂ is named calcium nitrate.
    • SnSO₄ refers to tin(II) sulfate.

    Additional Naming

    • MgSO₃ is named magnesium sulfite.
    • MgSO₄ is named magnesium sulfate.
    • Pb₃(PO₃)₂ is referred to as lead(II) phosphite.

    More Ionic Compound Names

    • Fe₂(SO₄)₃ is known as iron(III) sulfate.
    • Ba₃(PO₃)₂ is named barium phosphite.
    • NiCO₃ refers to nickel(II) carbonate.

    Molecular Compound Formula

    • The formula for diphosphorus pentoxide is P₂O₅.

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    Description

    Test your knowledge on the concepts covered in Chapter 6 of Chemistry. This quiz includes questions about ionic charges, elements, and their properties. Use flashcards to enhance your learning experience and solidify your understanding of sulfur and calcium.

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