“Chemical Concepts & Substances”  

Chemical Concepts

  In science, Chemical Concepts includes the composition, conformation, and properties of atoms and molecules, and their reaction and interaction processes.

Chemical Substances

  In science, a Chemical Substance is a portion of matter of constant composition, composed of molecular entities of the same type or of different types.
  Examples of chemical substances include:

biogenic substances mixtures

minerals pure substances

waxes

Examples of some chemical concepts include:

Absorption + Adsorption Air Ionization Anisotropy Biochemical Phenomena + Energy Transfer + Osmosis + Catalysis + Chemical Precipitation + Corrosion Crystallization

desiccation Dialysis Diffusion + Dimerization Drug Liberation Chemical Evolution Filtration + Hydrogen Bonding Hydrogen-Ion Concentration + Hydrolysis Hydrophobic and Hydrophilic Interactions +

Ion Exchange isomerisms stereoisomerisms molecular structures + Molecular Weight Neutron Diffraction Organic Chemistry Phenomena + Osmolar Concentration + Oxidation-Reduction + Particle Size Permeability +

Phase Transition + Photochemical Processes + Polymerization Proton-Motive Force Solubility Specific Gravity Spontaneous Combustion Surface Properties + Viscosity X-Ray Diffraction

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