estion FourExplain why the average density of metals is higher than that of ceramics or polymers i.e pmetals >(a)Peramics > Ppolymers.(b) Copper crystallises as FCC (face centred cubic). Given that the atomic radius and mass of a given coppersample are 1.28 x 10:10 m and 64.15 g respectively, calculate the density of the copper sample. TakeAvogadro's number, NA = 6.023 x 1023 atoms/mole.(c) The linear density, LD, of an atom is given by the equation =Natomswhere Natoms is theLdvnumber of atoms and Lav is the unit length of the direction vector, both taken on a particular plane.Calculate the linear density of an aluminium atom with a lattice parameter of 4.05 x 1010 m and in a[110] direction.(d) Using neat sketches, show the difference between a triclinic and hexagonal crystal systems.

Answered: Image /qna-images/answer/ebd60696-aaf3-4008-9037-c7818caf1cf0.jpg

Answered: (a) Explain why the average density of…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter22: Inorganic Materials

Section: Chapter Questions

Problem 13P

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