Chapter 9, Problem 72SCQ

Interpretation Introduction

Interpretation:

The number of $\pi$ electrons in a tiny $25nm\times 25nm$ sheet of graphene has to be determined if the area of one hexagonal $6$ - carbon unit is approximately $52400p{m}^2$

Concept Introduction

Graphene:

• It is one of the allotropes of carbon.
• It exists as a two-dimensional planar sheet.
• It has a hexagonal arrangement in which each carbon atom is bonded to three other atoms.
• Possess good thermal, chemical and optical properties.