O LevelChemistryCambridge (CIE)Exam Questions2. Atoms, Elements & Compounds2.4 Ions & Ionic Bonds

Ions & Ionic Bonds (Cambridge (CIE) O Level Chemistry): Multiple Choice Questions

Exam code: 5070

4 hours54 questions

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2.4 Ions & Ionic Bonds

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1
1 mark

What change occurs to an atom when it forms a negative ion?

  • It loses electrons.

  • It gains protons.

  • It gains electrons.

  • It loses protons.

Choose your answer

2
1 mark

Lithium and chlorine react together to form lithium chloride. During formation, each lithium atom…..1….. one …..2….. which is completely …..3….. to the chlorine atom.

What words correctly fill gaps 1, 2 and 3?

 

1

2

3

A

gains

electron

shared

B

loses

electron

transferred

C

gains

proton

transferred

D

loses

proton

shared

    Choose your answer

    3
    1 mark

    Which of the statements describes ionic bonding?

    • Electrostatic attraction between atoms

    • Electrostatic attraction between positively charged particles and delocalised electrons

    • Electrostatic attraction between oppositely charged ions

    • Electrostatic attraction between the nuclei of two atoms and a shared pair of electrons

    Choose your answer

    4
    1 mark

    The structure of an ionic compound, sodium chloride, is a lattice structure.

    Which of the following statements about an ionic lattice structure is not true?

    • There is a regular arrangement of ions in the lattice

    • The layers of ions slide over each other easily in the lattice

    • The ions are arranged with alternating anions and cations

    • Strong electrostatic forces of attraction occur between oppositely charged ions

    Choose your answer

    5
    1 mark

    Magnesium is a Group II element and chlorine is a Group VII element.

    These elements react together to form an ionic compound.

    Which row is correct?

     

    Mg electron change

    Mg ion formed

    Formula of compound

    A

    gain

    Mg2+

    Mg2Cl

    B

    gain

    Mg+

    MgCl2

    C

    lost

    Mg2+

    MgCl2

    D

    lost

    Mg+

    Mg2Cl2

      Choose your answer

      6
      1 mark

      Sodium chloride is an ionic compound.

      In which states does sodium chloride conduct electricity?

      solid

      molten

      aqueous

      A

      ✓

      ×

      ×

      B

      ×

      ✓

      ✓

      C

      ✓

      ✓

      ✓

      D

      ×

      ×

      ×

        Choose your answer

        7
        1 mark

        Magnesium oxide is an ionic compound.

        Which statement about the melting point and boiling point of magnesium oxide is correct?

        • Both the melting point and the boiling point are low.

        • The melting point is high and the boiling point is low.

        • The melting point is low and the boiling point is high.

        • Both the melting point and the boiling point are high.

        Choose your answer

        8
        1 mark

        Solid potassium bromide does not conduct electricity.

        Why does solid potassium bromide not conduct electricity?

        • The ions are held in fixed positions.

        • The ions have no electrical charge.

        • Potassium bromide is made up of molecules.

        • Solid potassium bromide has a high melting point.

        Choose your answer

        1
        1 mark

        Which element does not form a stable ion with the same electronic configuration as neon?

        • Magnesium

        • Fluorine

        • Sodium

        • Chlorine

        Choose your answer

        2
        1 mark

        The electronic configuration of an ion was determined to be 2.8.8.

        What could the identity of the ion be?

         

        Ca2+

        S2-

        A

        ×

        ✓

        B

        ✓

        ×

        C

        ✓

        ✓

        D

        ×

        ×

          Choose your answer

          3
          1 mark

          The table below shows the properties of four substances, W, X, Y and Z.

          Substance

           

          Melting point

          / o C

          Boiling point 

          / o C

          Conducts electricity when

          solid 

          liquid

          W

          3410

          5930

          yes

          yes

          X

          801

          1413

          no

          yes

          Y

          3550

          4830

          no

          no

          Z

          -91

          98

          no

          no

          Use the information in the table to identify the substance that is an ionic compound.

          • Substance W

          • Substance X

          • Substance Y

          • Substance Z

          Choose your answer

          4
          1 mark

          Calcium reacts with fluorine to form calcium fluoride

          Which statement describes what happens to calcium atoms in this reaction?

          • Calcium ions lose electrons to form positive charges. .

          • Calcium atoms gain 3 electrons to form positive ions.

          • Calcium ions gain 2 electrons to form positive ions.

          • Calcium atoms lose 2 electrons to form positive ions.

          Choose your answer

          5
          1 mark

          Which of the following dot-and-cross diagrams shows the correct arrangement of electrons in lithium sulfide?

          1-6-q3-edexcel-igcse-chemistry-

            Choose your answer

            6
            1 mark

            Which particle contains most electrons?

            • O3–

            • Ne

            • Na–

            • Mg3+

            Choose your answer

            7
            1 mark

            The symbols for two ions are shown.

            F−919                  Na+1121

            Which statement is correct?

            • The fluoride ion contains more electrons than the sodium ion.

            • The sodium ion contains more neutrons than the fluoride ion.

            • The two ions contain the same number of electrons as each other.

            • The two ions contain the same number of protons as each other.

            Choose your answer

            8
            1 mark

            What happens to an atom of a Group II element when it forms a compound with oxygen?

            • It bonds with two atoms of oxygen.

            • It receives two electrons from an atom of oxygen.

            • It shares two electrons with an atom of oxygen.

            • It transfers two electrons to an atom of oxygen.

            Choose your answer

            9
            1 mark

            Three statements about sodium chloride are shown.

            1. Sodium chloride has a low melting point because the attractive forces between the ions in the lattice are weak.

            2. Sodium chloride conducts electricity in aqueous solution because the ions are free to move.

            3. Sodium chloride conducts electricity when solid because the ions can carry an electric current through the lattice.

            Which statements are correct?

            • 1 and 2

            • 2 only

            • 2 and 3

            • 3 only

            Choose your answer

            10
            1 mark

            Calcium chloride has a high melting point.

            Which row describes the structure and bonding in calcium chloride?

            structure

            bonding

            A

            giant lattice

            ionic

            B

            giant lattice

            covalent

            C

            simple molecular

            ionic

            D

            simple molecular

            covalent

              Choose your answer

              1
              1 mark

              Ionic compounds are formed when a metal reacts with a nonmetal.

              Which two elements combine to form this kind of compound?

              Element

              Electronic structure

              Q

              2.4

              R

              2.8

              S

              2.8.1

              T

              2.8.7

              • S and T

              • R and S

              • Q and R

              • Q and T

              Choose your answer

              2
              1 mark

              The electronic structures of atoms X and Y are shown.

              q2--2-2-mcq-hard-cie-igcse-chemistry

              X and Y combine by ionic bonding.

              What is the formula of the compound produced?

              • X2Y

              • X2Y2

              • X2Y4

              • XY

              Choose your answer

              3
              1 mark

              The electronic structures of atoms X and Y are shown.

              q3--2-2-mcq-hard-cie-igcse-chemistry

              X and Y combine by ionic bonding.

              What is the formula of the compound produced?

              • X2Y

              • X2Y2

              • X2Y4

              • XY

              Choose your answer

              4
              1 mark

              Ionic compounds are formed when metals react with nonmetals.

              Which row correctly describes the electron transfer when an ionic bond is formed and the nature of the bond?

               

              Electron transfer

              Nature of bond

              A

              Metal to nonmetal

              Opposite ions attract

              B

              Metal to nonmetal

              Opposite ions repel

              C

              Metal to metal

              Same ions repel

              D

              Nonmetal to metal

              Opposite ions attract

                Choose your answer

                5
                1 mark

                Ionic compounds are formed when a metal reacts with a nonmetal.

                Which two elements combine to form this kind of compound?

                Element

                Electronic structure

                Q

                2.8.8.1

                R

                2.8.7

                S

                2.8.4

                T

                2.8.8

                • Q and T

                • Q and R

                • R and S

                • S and T

                Choose your answer

                6
                1 mark

                Potassium and bromine chemically combine to form the compound potassium bromide.

                During formation, each bromine atom…..1….. one electron which is completely …..2….. from the outer shell of the potassium atom. The …..3….. force of attraction is formed from the attraction between the opposite charges on each ion.

                What words correctly fill gaps 1, 2 and 3?

                 

                1

                2

                3

                A

                loses

                shared

                electrical

                B

                loses

                transferred

                intermolecular

                C

                gains

                shared

                electrostatic

                D

                gains

                transferred

                electrostatic

                  Choose your answer

                  7
                  1 mark

                  The table shows the bonding in four substances.

                  Which row is not correct?

                  Substance

                  Ionic

                  Covalent

                  Metallic

                  A

                  Graphite

                  ✓

                  B

                  Copper

                  ✓

                  C

                  Magnesium oxide

                  ✓

                  D

                  Ammonium chloride

                  ✓

                    Choose your answer

                    8
                    1 mark

                    The bonding present in a substance determines the structure and properties of that substance.

                    Which of the following statements is a correct description of the structure of an ionic compound?

                    • A lattice structure with an irregular arrangement of alternating positive and negative ions

                    • A lattice structure with a regular arrangement of alternating positive and negative ions

                    • A random structure with a regular arrangement of alternating positive and negative ions

                    • A random structure with an irregular arrangement of alternating positive and negative ions

                    Choose your answer

                    9
                    1 mark

                    The ionic lattice structure of potassium chloride is shown below.

                    q9--2-2-mcq-hard-cie-igcse-chemistry

                    Which of the following statements best describes the bonding and structure of KCl?

                    • A small lattice structure held together by electrostatic forces between oppositely charged ions which act in all directions.

                    • A small lattice structure held together by electrostatic forces between like charged ions which act in all directions.

                    • A giant lattice structure held together by electrostatic forces between oppositely charged ions which act in all directions.

                    • A giant lattice structure held together by electrostatic forces between oppositely charged ions which act in one direction only.

                    Choose your answer

                    10
                    1 mark

                    A student analysed an ionic compound and a covalent compound using a melting point apparatus. She found the ionic compound had a much higher melting point than the covalent compound.

                    Which statement explains this observation?

                    • Ionic compounds are formed from metals only.

                    • Ionic compounds are formed from nonmetals and nonmetals.

                    • There are strong electrostatic forces of attraction in ionic compounds.

                    • There are strong intermolecular forces in ionic compounds.

                    Choose your answer