PractiseQuestion bank
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12 questions
SA-OC-GS-0011 markL1 FoundationCalculatorGiant covalent
In diamond, how many other carbon atoms is each carbon atom covalently bonded to?
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0021 markL1 FoundationCalculatorGiant covalent
In graphite, how many other carbon atoms is each carbon atom covalently bonded to?
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0031 markL1 FoundationCalculatorGiant covalent
Graphite is used as a lubricant because
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0051 markL1 FoundationCalculatorMetallic bonding
Metallic bonding is the attraction between
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0121 markL1 FoundationCalculatorGiant covalent
Diamond is used in cutting tools because
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0041 markL2 StandardCalculatorGiant covalent
Diamond does not conduct electricity because
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0061 markL2 StandardCalculatorMetallic bonding
Metals are good electrical conductors because
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0071 markL2 StandardCalculatorMetallic bonding
Metals are malleable because
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0081 markL2 StandardCalculatorGiant covalent
Silicon(IV) oxide has a structure most similar to
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0091 markL2 StandardCalculatorComparing structures
A substance melts at 1700∘C and does not conduct electricity when solid or molten. Its structure is most likely Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0101 markL2 StandardCalculatorComparing structures
Which substance conducts electricity when solid?
Salam Academy Original Practice · Proposed mark scheme
SA-OC-GS-0111 markL3 ExamCalculatorComparing structures
Diamond and graphite both have very high melting points because
Salam Academy Original Practice · Proposed mark scheme