Solid State Review

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What is the name of this carbon allotrope?

*The spelling must be correct

• A

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• C

• D

Which statement(s) is(are) correct about buckyballs?

*There might be more than one answer

• It consists of 60 carbon atoms

• It is hard

• Not reactive

• Each carbon atom is sp² hybridized

• There are more hexagons than pentagons in buckyball

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• C

• B

• A

Different crystalline or molecular forms of the same element which have the same chemical properties but different physical properties is called ...

*The spelling must be correct

Which one is the most chemically reactive form of Carbon?

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Which statement(s) is(are) correct about silicon(IV) oxide?

*There might be more than one answer

• Low melting point

• Hard and strong

• Good conductor of electricity

• The shape is tetrahedral

• The properties are similar with diamond

Which statement(s) fit(s) the characteristic(s) of nanotubes?

*There might be more than one answer

• It is spherically arranged

• It is one of the strongest material ever known

• High tensile strength

• Low melting point

• Good electrical conductor