What is graphene?

Q: Which statement correctly describes a difference betweengraphene and graphite?(a) Graphene is a…

A: a. Is statement is wrong because graphene is not a molecule  b. This statement stands right because…

Q: Use the figure of band structures to explain why the conductivity of pure metals decreases when…

A:

Q: Graphene is a remarkable material with many potential uses, but there is evidence that ingesting it…

A: The statement given is "Graphene is a remarkable material with many potential uses, but there is…

Q: 2. What is the coordination number structure formed by most semiconductors and electronic materials…

A:

Q: How to calculate octahedral voids ?

A: Given question is : How to calculate octahedral voids = ?

Q: 5. Strontium (Sr: [Kr]5s2) crystal has a mass density of 2.64 g/cm3 and a molar mass of 87.62 g/mol.…

A: Mass density = 2.64 g cm-3 Molar mass   = 87.62 g mol-1

Q: If Na+ ions were to substitute for magnesium ions in MgO, in order to preserve electroneutrality,…

A: Impurity defects are produced in the MgO crystal. Two Na+ ions replaced one Mg2+ ion for…

Q: Compare graphite to diamond based on: a) Structure b) Conductivity c) Density d) C-C bond length e)…

A: Here we have to compare difference between graphite and diamond.

Q: Define the term antibonding?

A: The combination of two atomic orbitals results in the formation of molecular orbitals which are…

Q: dot structure of p

A:

Q: What is band broadening? Explain the phenomenon of eddy diffusion.

A: These are terms with reference to chromatography:

Q: Describe the process of X-ray crystallography?

A: X-Ray crystallography is a technique of determining the way or arrangement of atoms and structure of…

Q: is mesosphere solid or liquid?

A: Is mesosphere solid or liquid has to be given.

Q: Explain X-Ray Crystallography?

A: Concept Introduction: X-ray crystallography is a method used for determining the atomic and…

Q: Describe the bonding in calcium oxide, CaO, in terms of bands composed of Ca and O atomic orbitals.…

A: SOLUTION: Step 1: The Calcium ion is an Alkaline earth metal and give up the 2s orbital electrons…

Q: draw the 2D network structure of crystalline

A: Crystalline lattice is a periodic array of atoms. Examples include diamond, metals, salt etc.

Q: graphene layer

A:

Q: Why are these bravais lattices the same? B-monoclinic and primitive (P)-monoclinic (if b is the…

A: There are several ways to describe a crystalline plane. The most fundamental description is known as…

Q: What is the maximum bond order that is possible between two s-block elements?

A: The bond order of a molecule is furnished as half of the difference between the number of electrons…

Q: Objects that are associated with trigonal bipyramidal and octahedral.

A: Interpretation-  To tell about that objects that are associated with trigonal bipyramidal and…

Q: What do Doped semiconductors contain?

A: Semiconductors has a conductivity power in between insulators and conductors. The conductivity power…

Q: Define the term —graphene?

A: Graphene is a two-dimensional carbon allotrope with the carbon particles masterminded in a…

Q: Explain how metallic conductors, semiconductors, and insulators are identified and explain their…

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Q: Give two typical applications where the band and bond model is used.

A: The bond models is mostly used for basic idea of what the individual electrons are doing in…

Q: what is the magnetic moment of diamagnetic substances?

A: Diamagnetic substances does not possess permanent magnetic dipole moment.  When these substances are…

Q: Why composite biomaterials are preferred over ceramics, explain with examples.

A: Being able to use artificial intelligence to identify and automatically respond to data breaches is…

Q: Why carbon does have a larger tendency of catenation than silicon although they have same number of…

A: To explain why carbon has a higher tendency of catenation than silicon even after both have the same…

Q: What are silicates? What is quartz?

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Q: why Intrinsic Semiconductor materials are the bad conductors of electricity

A: Semiconductor is actually a type of material which has  conductivity in between the conductor and…

Q: Dr. Mohsin AI-Y 18. Spherical and ellipsoidal carbon nanomaterials are referred to as: (a)…

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Q: Is cisplatin diamagnetic or paramagnetic?

A: Given compound: cis-platin

Q: An element with density 6.8 g cm-³, occurs in bcc structure with cell edge length equal to 290 pm.…

A: The expression for density (d) is given below: For BCC,  n = 2a = 290 pm = 290 × 10−10 cmd = 6.8 g…

Q: Structure IV Structure III II II A

A:

Q: Define allotropy. Describe different allotropes of Carbon including  a) diamond, b) graphite and…

A: Allotropes are forms of the same element which have either exist in the same or different physical…

Q: Calculate the APF for: (a) Simple cube (SC) and (b) Body-centered cubic (BCC) structures.

A:

Q: bonding orbital nonbonding orbital phase degenerate antibonding orbital

A: In molecular orbital theory , we talk about bonding and antibonding molecular orbitals. We talk…

Q: Differentiate AAS, AAS-Graphite, FES and ICP-MS

A:

Q: Qs) who many allotropes does carbon element has? Which is harder?

A: Ans 8 : There are three major allotropes of the carbon atom 1. Diamond 2. Graphite  3. Fullerenes…

Q: Explain infrared spectrum in detailed analysis.

A: The functional group is a key component associated with a molecule and they control the overall…

Q: Are allotropes different from polymorphs with respect to Carbon? Give reason for your answer.

A: Polymorphism is similarly defined as isomerism, it means if structure of an ionic compound exist in…

Q: Why is graphene unique?

A: Graphene is an allotrope of carbon. The carbon atoms in the graphene structure are present in a…

Q: Briefly state the main differences between the following: 1.Microscopic structure and macroscopic…

A: 1. Microscopic structure belongs to the species which are microscopic in nature. Those are not…

Group 14 Elements

The following elements come under group 14 of the periodic table.