Please asap ### Understanding Metal and Non-Metal Classification through Fermi Surfaces and Solid BandsMetal or non-metallic materials can be identified by examining specific characteristics such as the **Fermi surface** and **solid bands**. Here's a detailed explanation based on different materials:#### Copper (Cu)- **Structure**: Copper crystallizes in an *FCC (Face-Centered Cubic)* structure.- **Electrons**: It has about *1 free electron* in its unit cell.#### Diamond (or Silicon)- **Structure**: Diamond (or Silicon) also forms an *FCC crystal lattice*.- **Electrons**: It contains about *8 electrons* in its unit cell.#### Graphene- **Structure**: Not specifically stated, but derives from graphite, typically known for its *hexagonal lattice structure*.- **Electrons**: Graphene has *2 free electrons*.### AnalysisGiven this information, we can infer the following about the metallic nature of these materials:- **Copper (Cu)**: With a crystalline FCC structure and 1 free electron, Copper behaves as a **metal** due to the presence of free electrons which facilitate electrical conductivity.- **Diamond (or Silicon)**: Despite having an FCC lattice, it has 8 electrons bound within its structure, making it a **non-metal**. This configuration results in a lack of free electrons necessary for electrical conductivity.- **Graphene**: With its 2 free electrons, Graphene exhibits some metallic characteristics, leading to it being classified as a **semi-metal**. This unique electronic structure makes Graphene highly conductive and gives it metallic properties under certain conditions.### ConclusionBy analyzing the structure and electron configuration, we conclude that Copper is metallic, Diamond (or Silicon) is non-metallic, and Graphene holds properties of a semi-metal.

Introduction:The above question discusses the identification of metallic and non-metallic materials…

we know that metal or non-metallic materials can be identified by examining the Fermi surface and solid bands. According to this information, Cu crystallizes in FCC structure and has about 1 free electron in its unit cell. Diamond (or Si) has an FCC crystal lattice while it has about 8 electrons in its unit cell. Graphene has 2 free electrons. In the light of this information, what can you say about Cu, Diamond and Graphene about whether they are metallic or not?

we know that metal or non-metallic materials can be identified by examining the Fermi surface and solid bands. According to this information, Cu crystallizes in FCC structure and has about 1 free electron in its unit cell. Diamond (or Si) has an FCC crystal lattice while it has about 8 electrons in its unit cell. Graphene has 2 free electrons. In the light of this information, what can you say about Cu, Diamond and Graphene about whether they are metallic or not?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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