2.4. Ions and ionic bonds
A subsection of Chemistry, 0620, through 2. Atoms, elements and compounds
Listing 10 of 105 questions
The table shows the melting points, boiling points and electrical conductivities of six substances D, E, F, G, H and I. substance melting point / °C boiling point / °C electrical conductivity when solid electrical conductivity when liquid D non-conductor non-conductor E non-conductor good conductor F –119 non-conductor non-conductor G good conductor good conductor H non-conductor non-conductor I –210 –196 non-conductor non-conductor Choose substances from the table which match the following descriptions. Each substance may be used once, more than once or not at all. Which substance is a liquid at 25 °C? Which substance is a gas at 25 °C? ������������������������������������������������������������������������������������ Which three substances contain simple molecules? Which substance could be a metal? Give a reason for your answer. substance reason  Which substance has a macromolecular structure? Give two reasons for your answer. substance reason 1 reason 2  Which substance is an ionic solid? Give one reason for your answer. substance reason  
0620_w19_qp_43
THEORY
2019
Paper 4, Variant 3
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Questions Discovered
105