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- 1. Multiple Choice
What structure is shown in the diagram?DiamondGraphiteCarbon fiberCarbon nanotubes - 2. Multiple ChoiceWhat is the kind of bond between two non metals called?IonicCovalentLatticeMetallic
- 3. Multiple ChoiceWhich has a 2D hexagonal layered structure?graphitediamondfullereneall of these
- 4. Multiple Choice
Which has weak intermolecular forces in between layers?
graphite
diamond
fullerene
none of these
- 5. Multiple ChoiceWhich has a 3D hexagonal structure?graphitediamondfullerenenone of these
- 6. Multiple ChoiceWhich has every carbon atom covalently bonded to four other atoms?graphitediamondfullerenenone of these
- 7. Multiple ChoiceDefine the term allotropesAtoms with same proton number but different number of neutronsAtoms with same proton number but different mass numberAtoms in different arrangement in structureAtoms in different arrangement and different physical form
- 8. Multiple ChoiceConduct electricitydiamondgraphiteboth
- 9. Multiple Choice
Each carbon atom joined to three other carbon atoms -
diamond
graphite
both
- 10. Multiple Choice
Which of these allotropes have high melting point?
diamond
graphite
both
- 11. Multiple ChoiceAtoms arranged in layersdiamondgraphite
- 12. Multiple Choice
Which of these is used as a lubricant?
diamond
graphite
- 13. Multiple Choice
Which of this is used in drill bits?
diamond
graphite
SiO2
- 14. Multiple Choice
Graphite is soft because
it has strong covalent bonds
its layers can slide over one another due to weak forces between the layers
it has weak van der Waals forces between layers
it is used as a lubricant
- 15. Multiple Choice
Diamond is used for cutting glass because it is
hard and strong
soft
shiny
unreactive
- 16. Multiple Choice
Why is diamond hard and strong? It has
weak intermolecular forces
weak covalent bonds
strong covalent bonds
van der Waals forces of attraction
- Answer choicesTagsAnswer choicesTags