Chemistry Notes- كيمياء
These Notes are written By Mian Shaan Ali Choudhry
Chemistry is the science concerned with the composition, structure, and properties ofmatter, as well as the changes it undergoes during chemical reactions.Chemistry is the study of interactions ofchemical substances with one another andenergy.
Chemistry (from Arabic: كيمياء Latinized: chem (kēme), meaning "value") is the science of matterand the changes it undergoes. The science of matter is also addressed by physics, but while physics takes a more general and fundamental approach, chemistry is more specialized, being concerned with the composition, behavior, structure, and properties of matter, as well as the changes it undergoes during chemical reactions. It is a physical science for studies of various atoms,molecules, crystals and other aggregates of matter whether in isolation or combination, which incorporates the concepts of energy and entropy in relation to the spontaneity of chemical processes.
Disciplines within chemistry are traditionally grouped by the type of matter being studied or the kind of study. These include inorganic chemistry, the study of inorganic matter; organic chemistry, the study of organic matter; biochemistry, the study of substances found in biological organisms;physical chemistry, the energy related studies of chemical systems at macro, molecular and submolecular scales; analytical chemistry, the analysis of material samples to gain an understanding of their chemical composition and structure. Many more specialized disciplines have emerged in recent years, e.g. neurochemistry the chemical study of the nervous system (seesubdisciplines).
LEARN ALSO  o 5. Atom o 5.1 Element o 5.2 Chemical compound o 5.3 Chemical substance o 5.4 Molecule o 5.5 Mole o 5.6 Ions and salts o 5.7 Acidity and basicity o 5.8 Phase o 5.9 Redox o 5.10 Chemical Bonding o 5.11Chemical reaction o 5.12 Chemical equilibrium o 5.13 Energy o 5.14 Chemical laws · 6 Subdisciplines · |
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