'Molecular crystals' presentation slideshows

Molecular Crystals

Molecular Crystals. Molecular Crystals: Consist of repeating arrays of molecules and/or ions. C 17 H 24 NO 2 + Cl - . 3 H 2 O. Although Z = 2, the unit cell contains portions of a number of molecules. Cl -. Cl -. Cl -. H 2 O. Hydrogen bonds. Cl OH 2. Cl -. H 2 O.

1.74k views • 135 slides

Chapter 15 Gases, Liquids, and Solids

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The State of Crystallographic Education

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Options Material-Materials

Options Material-Materials. Crystals, Metals and Addition Polymers. Crystals. Crystals are formed by ions, atoms or molecules arranged in a regular geometric arrangement called a lattice. Diamond Lattace. William and Lawrence Bragg.

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Organic Semiconductors: Electronic Properties and O ptoelectronic Applications

Organic Semiconductors: Electronic Properties and O ptoelectronic Applications. Hsiang-Han Tseng . Overview. Organic Semiconductors Electronic Properties Fundamentals of Organic PV Cells Examples. Organic Semiconductors . Polymers . Small molecules.

288 views • 12 slides

Lecture 19

Solids. Solutions. Crystals van der Waals forces Solvents and Solubles. Lecture 19. Solids. Solids consist of atoms, ions, or molecules packed closely together and held by electric forces. Most solids have crystalline structure. The crystals of a given kind has the same geometric form. .

393 views • 10 slides

3.5- Understanding Chemical Compounds

3.5- Understanding Chemical Compounds. Ionic Compounds. Ionic compounds involve the transfer of electons Ex) K + Cl K + ( Cl ) - Because it creates filled energy levels, the stability of the structure is similar to noble gases. Properties and model of ionic compounds.

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Is the substance an element or a compound?

Is the substance an element or a compound?. Is it a metal or nonmetal?. Element. Compound. metal+ nonmetal. nonmetals. Covalent Network Crystal Group III + V SiO 2 strong covalent bonds the more bonds per atom the stronger the crystal Smaller atoms have stronger covalent bonds.

104 views • 1 slides