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O LevelChemistryCambridge (CIE)Exam Questions9. Metals9.1 Properties of Metals

Properties of Metals (Cambridge (CIE) O Level Chemistry): Exam Questions

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9.1 Properties of Metals

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11 mark

Most of the elements on the Periodic Table are metals. Metals can be distinguished from non-metals by differences in their physical properties.

Which row correctly describes a metal?

 

Malleability

Heat & electrical conductivity

A

cross times

✓

B

✓

cross times

C

✓

✓

D

cross times

cross times

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    11 mark

    A sample of element Y is shiny and can be shaped by hammering.

    Which row of the table corresponds to the properties of element Y?

     

    conducts electricity

    melts below 25℃

    A

    cross times

    ✓

    B

    cross times

    cross times

    C

    ✓

    ✓

    D

    ✓

    cross times

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      21 mark

      Some of the properties of four different elements Q, P, R and S are listed below:

      1

      Q melts at 1410 °C and forms an acidic oxide.

      2

      P has a high density and is easily drawn into wires.

      3

      R acts as a catalyst and its oxide reacts with acids

      4

      S is a red-brown solid used to make alloys.

      Which of the elements are metals?

      • 1 and 3 only

      • 2 and 4 only

      • 2, 3 and 4

      • 1,2 and 3

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      31 mark

      Some properties which indicate the differences in elements are listed.

      1

      metallic character

      2

      number of electron shells in an atom

      3

      number of protons in an atom

      4

      total number of electrons in an atom

      Which two properties increase across a period of the Periodic Table?

      • 1 and 2

      • 1 and 3 

      • 2 and 4 

      • 3 and 4

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      41 mark

      The properties of four substances are shown.

      Which substance is a metal?

      • It conducts electricity when dissolved in water but not when solid.

      • It has a high melting point and conducts heat when solid.

      • It has a low melting point and is brittle.

      • It has a giant covalent structure with a high melting point.

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      11 mark

      Properties of four elements are shown below.

      Which of these elements is a metal?

       

      electrical conductivity when solid

      electrical conductivity when liquid

      melting point ℃

      A

      low

      low

      -7

      B

      high

      low

      801

      C

      high

      high

      1535

      D

      low

      low

      3550

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        21 mark

        Element Y is malleable and ductile.

        Which correctly describes the properties of element Y?

         

        Electrical conductivity (solid)

        Electrical conductivity (molten)

        Melting Point / oC

        1

        ✓

         ✓

         2861

        2

        ✓

        ✓

        63

        3

        ✗

        ✓

        801

        • 1 and 2 only

        • 1 and 3 only

        • 2 and 3 only

        • 1, 2 and 3

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        31 mark

        Some properties of elements K, L, M and N are given.

        1

        K acts as a catalyst and its oxide reacts with hydrochloric acid

        2

        L is a dull dark grey solid that conducts electricity and has a melting point of 3600 oC

        3

        M is easily hammered into shape and has a high density

        4

        N has a melting point of 113 oC and forms an acidic oxide

        Which of the elements are metals?

        • 1 and 3 only

        • 2, 3 and 4

        • 2 and 3 only 

        • 2 and 4 only

        Choose your answer

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