What is graphene?

What arrangement do graphene atoms have?

• A hexagonal arrangement

• A cubic volume-centered arrangement

• A face-centered cubic arrangement

How did scientists discover graphene?

• By peeling layers from the flakes of graphite.

• By taking graphite through the complicated chemical reactions.

• By exposing graphite to a high voltage.

What is the tensile strength of graphene?

• 140 GPa

• 130 GPa

• 230 GPa

• 240 GPa

Who discovered the first isolated graphene sample?

• Andre Geim

• Konstantin Novoselov

• Pablo Jarillo-Herrero

• Alexey Novoselov

Graphene is made of ... atoms.

• Neon

• Carbon

• Silicon

Which method is used by MIT’s researchers to produce graphene?

• “Rod-to-rod”

• “Reel-to-reel”

• “Roll-to-roll"

How many electrons silicon releases per photon that hits it?

• One

• Two

• Three

• Four

Which of this properties are specific to graphene?

• Flexible.

• Fragile

• Transparent

• Soft.

• Conductive

Choose the correct statement

• Graphene’s tight atomic bonds make it permeable for nearly all gasses and liquids.

• Oxidized graphene could even pull in uranium and plutonium.

• Graphene has a low conductivity.

Graphene’s tight atomic bonds make it impermeable for nearly all gasses and liquids except for ...

• Sunlight

• Spirit

• Water