Elements in Period 3 of the Periodic Table show trends in their properties．（b）The relative electrical conductivities of the Period 3 elements are shown in Fig．1．1． . . . . ［2］

Chemistry

IGCSE&ALevel

CAIE

Exam No：9701_s25_qp_24 Year：2025 Question No：1(b)

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4.2.1.1 giant ionic, including sodium chloride and magnesium oxide

4.2.1.2 simple molecular, including iodine, buckminsterfullerene and ice

4.2.1.3 giant molecular, including silicon(IV) oxide, graphite and diamond

4.2.1.4 giant metallic, including copper

4.2.2 describe, interpret and predict the effect of different types of structure and bonding on the physical properties of substances, including melting point, boiling point, electrical conductivity and solubility

4.2.3 deduce the type of structure and bonding present in a substance from given information

9.1.1 describe qualitatively (and indicate the periodicity in) the variations in atomic radius, ionic radius, melting point and electrical conductivity of the elements

9.1.2 explain the variation in melting point and electrical conductivity in terms of the structure and bonding of the elements

Elements in Period 3 of the Periodic Table show trends in their properties． （b）The relative electrical conductivities of the Period 3 elements are shown in Fig．1．1． . . . . ［2］

Answer:

Knowledge points:

Solution:

Related Question

Elements in Period 3 of the Periodic Table show trends in their properties．（b）The relative electrical conductivities of the Period 3 elements are shown in Fig．1．1． . . . . ［2］