The Crystal Lattice Phonons, Solitons, Dislocations, Superlattices I am indebted to Dr. Michail Ivanov and Dr Sergey Feodosiev for their advise in improving the presentation of some parts of the.. Type of lattice Structure Properties of substances Examples in-in, their use Execute exercise.. The aggregate state of a substance also depends on the nature of its particles (atoms, molecules or ions), their mutual arrangement. ) 2) crystalline (having an ordered arrangement of structural particles - ice, quartz, iron, etc.. Crystal Structure Partially from Prof Myles (Texas Tech) course presentation Crystal lattices have only 2-,3, 4-, and 6-fold rotational symmetries.. Classification of substances • Solids are divided into: 1) amorphous (not having an ordered structure - glass, rubber, chocolate, etc.. ) Sulfur crystals • Crystal - _______ substance, having a _______________________ building.. • Crystals of different shapes have different crystal lattices Crystalline lattice of particles in a crystal. Simboli Geologici Per Autocad
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• Depending on the nature of the particles in the lattice sites, crystal lattices are distinguished.. ' Naphthalene is a low-melting, crystalline substance, because it has a molecular crystal lattice.. Slide 16 List of sources 1) Gabrielyan OS Grade 8: Textbook For general education.. Types of crystal lattices (lesson 11 class, basic level) Teacher Kazanovskaya E B.. - 16 ed , The stereotype - Moscow: Drofa, 2010 -270 pp , [2] p : ill Photographs used: aggregate state of substances chocolate - amorphous substance chewing gum - amorphous substance pink quartz - crystal substance iron nails - crystalline substance.. The physical properties of solids are determined by _________ The law of constancy of the composition of substances: 'Molecular chemical compounds regardless of the method of their preparation have a constant composition and properties.. 37 Writing Laboratory Experience • Investigate the type of crystal lattice of the substance given to you. ae05505a44
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