What is the difference between a crystal system and a mineral group?

Q: Why do ionic substances generally have higher meltingand boiling points than covalent substances?

A: Ionic substances or compounds are those compounds which exhibits an ionic bond, which have strong…

Q: Use an example to show how branching and crosslinking can affect the physical behavior of a polymer.

A: Polymers are molecules that have a repeating basic unit called monomers. polymers are long chained…

Q: In the addition polymer, Polyethylene, how many monomer units are in the polyethylene polymer that…

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Q: Which element is a liquid at 758 K and standard pressure? A) Gold B) Silver C) Platinum D) thallium

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Q: Why are metals generally lustrous?

A: The general definition of the metals can be done as the elements that have tendency to lose…

Q: Where on the periodic table would you expect to find another element that could be used as an…

A: Answer -  n-type materials are generally differentiated using hot-point probes. This laboratory…

Q: The physical characteristics of a polymer depend not only on its molecular weight and shape, but…

A: Polymer is a material that consists of a large number of repeating units called monomers. We know…

Q: 2 The Crystal Structure is BCC

A: The body-centered cubic (BCC) unit cell has atoms at each of the eight corners of a cube plus one…

Q: Do the atoms of silicon dioxide are aranged in crystalline or amorphous state? If so, what is (are)…

A: 1) Crystalline: These are the solids whose constituent particles are arranged in definate pattern.…

Q: Three molecular requirements for crystallinity in polymers

A: POLYMERS: Polymer is a macromolecule which is made up of small monomer molecules that are…

Q: y are there no more than crystal systems ? What are quasicrystals

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Q: How does the structure of a Polymer affect its function.

A: Here we have to explain how does the structure of a polymer affect its function? We can explain it…

Q: hey are long chain molecules b) they contain covalent bonds c) the molecules are interc

A: Polymers are formed by joined monomeric units together. They are used in the formation of a number…

Q: Explain the term elastomer in chemistry ?

A: Elastomers are polymers with both viscosity and elasticity, which is known as viscoelasticity.…

Q: What is a mineral? Every mineral has a crystalline structure. What does this mean?Explain why oil…

A: Given : minerals.  To find : definition of mineral and reason for oil and gas are not minerals.…

Q: A hypothetical element, Le, has a body centered cubic structure with a density of 6.93 g/cm3.…

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Q: A hypothetical element, Le, has a body centered cubic structure with a density of 6.12 g/cm3.…

A: Atomic radius of element is calculated by determining edge length of element.  Density is the mass…

Q: Compare the crystal structure of diamond (C) and zinc blended (ZnS). What are the key similarities…

A: Similarities:  Both diamond and zinc blend have FCC lattice structure. Each carbon atom in diamond…

Q: Question No 17 biomaterial form part of composite material semi conductors plastics organic polymers

A: A multiple choice question based on biomaterial, which is to be accomplished.

Q: Please give a brief and clear answer. Describe how polymer morphology affects a polymer’s overall…

A: The morphology is complicated in that three different levels of organization are involved: molecular…

Q: what would be the chemical formula for this molecule ?

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Q: What is the Face-Centered Cubic Crystal Structure?

A: FCC  In face-centred cubic systems, the cubic unit cell consists of atoms at the centre of each of…

Q: true or false Br2 has a higher boiling point than Cl2.

A: The periodic table explains the various chemical and physical properties of the elements.