Solid State Flashcards by Sh Sh

Q

NaCl (rock salt) structure?

A

FCC

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Q

In fluorite structure, calcium ions occupy ______ and fluoride ions occupy _______________

A

fcc

tetrahedral ions

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Q

NH3 and HCl is what kind of solid?

A

Polar molecular (not hydrogen bonded)

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Q

Covalent crystals are also called?

A

Giant molecules

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Q

Bravais named after?

A

French mathematician

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Q

Examples of cubic crystal?

A

NaCl , ZnS, Cu

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Q

Examples of tetragonal

A

White tin, SnO2 ,TiO2, CaSO4

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Q

Orthorhombic

A

Rhombic sulfur, KNO3, BaSO4

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Q

Hexagonal examples

A

Graphite, ZnO, CdS

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Q

Rhombohedral examples

A

CaCO3, HgS

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Q

Monoclinic examples

A

Monoclinic sulphur, Na2SO4. 10H2O

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Q

Triclinic examples

A

K2CR2O7, CUSO4.5H2O, H3BO3

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Q

Location of tetrahedral voids

A

Two on each diagonal

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Q

Location of octahedral voids

A

Center, edge

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Q

Schottky pairs in NaCl

A

10^6 per cm³

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Q

LiCl color

KCl color

A

Pink

Lilac

Q

Ferromagnetic material?

A

Iron, cobalt, nicely, gadolinium, CrO2

Q

Anti ferromagnetic materia

A

MnO

Q

Check page 41 (2.6)

Percentage of He, N and O in scuba

A

7
2
1

Q

Max. azeotrope

A

68% nitric acid 32% water