We start the study of chemistry by defining some basic terms. Also, thermal pericyclic reaction in contrast to photochemical. Basic chemistry terms and definitions from lesson 4 5 terms. Also it contains a number of terms, and their definitions, considered relevant to the practice of clinical chemistry, taken from the. Chemistry is a physical science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions. So, learn all of these words and phrases of by heart. Glossary of terms used in physical organic chemistry iupac recommendations 1994 index quick move to a, b, c, d, e, f, g, h, i, k, l, m, n, o, p, q, r, s, t, u, v, w. Choose from 500 different sets of terms and definitions chemistry biology flashcards on quizlet. Common sense organic chemistry explaining the philosophy of organic chemistry. In chemistry, prefixes indicate the number of elements in a certain molecule.
Chemistry key terms and definitions revision universe. Glossary of terms in quantities and units in clinical chemistry iupacifcc recommendations 1996 synopsis from 1967 onwards, a number of documents prepared by the iupaucqucc and ifcccqu from 1996 0101 cmu, with input from many clinical laboratory scientists worldwide, and consistent with standards promulgated by authoritative international scientific organisations, have been published. Basic chemistry terms and definitions from lesson 3 9 terms. Base a substance that accepts hydrogen ions when dissolved in water compare with acid. Glossary of terms in quantities and units in clinical.
It is the editors hope that the second edition of the mcgrawhill dictionary of chemistry will serve the needs of scientists, engineers, students, teachers, librarians,andwritersforhighqualityinformation,andthatitwillcontribute toscientific literacy and communication. The glossary has been compiled from definitions taken from published documents of the cnpu. A product of the institute for reduction of cognitive entropy in organic chemistry the beginning of wisdom is to call things by their proper name. Remember, understanding is the first step on the road of. The definition of chemistrythe study of the interactions of matter with other matter and with energyuses some terms that should also be defined. Select the first letter of the chemistry term you need a definition for. Nepetalactone, the psychoactive component of catnip, is aliphatic. If you remember that temperature is a measurement of how much atoms move around in a solid. Our customers are not only the scientific community but also hobbyists, artists, schools and universities. Remember, understanding is the first step on the road of success. This article is within the scope of wikiproject chemistry, a collaborative effort to improve the coverage of chemistry on wikipedia. So if you have one gram of hydrogen, you have that many 6. Chemical glossary definitions of terminology used in. Events where there are chemical changes determined by the atomic and molecular composition and structure of the substances.
The first half of this extensive medicinal chemistry glossary will focus on some of the most important nomenclature that one comes across when studying medicinal chemistry. Epub, pdf, and html and on every physical printed page the following. Pdf glossary of terms used in photochemistry, 3rd edition. The terms defined in the 1983 glossary are incorporated in the iupac. Notes the definition applies to specific entities b which should be specified as subscripts, i. Sep 15, 2019 gaylussacs law form of the ideal gas law that states the pressure of an ideal gas is directly proportional to its absolute kelvin temperature when volume is held constant. Addition reaction a reaction in which the double or triple bond of an unsaturated compound opens continue reading. Alkene a compound consisting of only carbon and hydrogen, that contains at least one carboncarbon double bond and is thereby unsaturated. A collection of terms from the chemistry 2007 syllabus glossary and senior sciences curriculum glossary. Chemical formula a short form used to represent a molecule. It is the editors hope that the second edition of the mcgrawhill dictionary of chemistry will serve the needs of scientists, engineers, students, teachers. Terms ha ve been added related to molecular anisotropy, the use of polarized radiation, nonlinear op.
This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools. Basic chemistry vocabulary list absolute temperature. Second, denaturing can mean breaking down the threedimensional structure of a molecule, such as a protein is denatured when exposed to heat. Glossary of chemistry terms and definitions science struck. Here are is all the jargon you need to know in order to understand chemistry at. Uc irvine chemistry has 44 faculty members, 215 graduate students, 50 postdoctoral fellows, and provide internationallyrecognized programs in. A book is matter, a computer is matter, food is matter, and dirt in the ground is matter. Organic chemistry is full of numerous similar sounding terms, and chemicals, which is why most labs have barcode labels, and a wireless barcode scanner. Oct 20, 2018 gas is under normal or standard conditions when. Bond the attraction of atoms to each other through sharing or exchanging electrons.
Addition polymer a polymer made by the combining together of small unsaturated molecules of the same compound. Ace your next assignment with help from a professional writer. Confucius many thanks to the students and other users of this web site who have suggested additional terms for inclusion. Learn terms and definitions chemistry biology with free interactive flashcards. In an element, all the atoms have the same number of protons or electrons although the number of neutrons may vary. Glossary of chemistry terms meaning and definition the following texts are the property of their respective authors and we thank them for giving us the opportunity to share for free to students, teachers and users of the web their texts will used only for illustrative educational and scientific purposes only. The terms and resources below should make organic chemistry a bit less confusing. The value represents the number of atoms or molecules in one mole of a substance. Definitions taken from the glossary of discovering atomos which is a textbook used in challenge b. A link in the circular chain of recycling events that promotes the use of products made with recycled materials. Organic chemistry glossary organic chemistry is full of numerous similar sounding terms, and chemicals, which is why most labs have barcode labels, and a wireless barcode scanner.
It determines the chemical properties of an element. Specifically, the term is applied to ethyl alcohol c2h5oh. A molecule or portion of a molecule that is not aromatic. Common definitions and terms in organic chemistry uc irvine chemistry has 44 faculty members, 215 graduate students, 50 postdoctoral fellows, and provide internationallyrecognized programs in a friendly, informal setting. The term component is recommended for clinical chemistry. The science that studies the properties of substances and how substances react with one another. In this section, we have included those basic terms that are relevant to modern chemistry. Compendium of chemical terminology 1987 victor gold. Request pdf glossary of terms used in combinatorial chemistry technical report technical report commissioned by the international union of pure and applied chemistry iupac. The database contains chosen terms and concepts, important in chemistry and in chemistryrelated fields of science e. Glossary of terms used in combinatorial chemistry technical. Chemical property the ability of a substance to change or react and to form new substances when interacting with other substances, for example, zinc reacts with hydrochloric acid to produce hydrogen gas. Atomic weight the atomic mass of an atom relative to 112 of the mass of the carbon12 isotope.
Indeed, many of the terms complement the study of clinical pharmacology as well. These are easy marks, but only if you know them acid activation energy alkali alkali metal alkanes alkenes alloy atom atom economy. It shows how a substance can be simply represented by a chemical formula made up of both letters and numbers. Basic chemistry terms and definitions from lesson 1. Gaylussacs law form of the ideal gas law that states the pressure of an ideal gas is directly proportional to its absolute kelvin temperature when volume is held constant. When you do a chemical reaction, this is the amount of chemical that you actually make. Over a period of time, the many definitions in this field have undergone several changes due to the development of new theories, and discovery of new chemical substances and phenomena. Atom the smallest unit of an element that displays the same properties as the element, for example, hydrogen. Chemical glossary definitions of terminology used in chemistry. Activation energy the minimum amount of energy which colliding molecules must have before they can react together. Starting with atoms it progresses to elements, molecules and compounds. Basic chemistry terms and definitions from lesson 2 10 terms.
This is a temperature reading made relative to absolute zero. Many of the terms may be fam iliar to the layperson. Top this article has been rated as topimportance on. This glossary of chemistry terms is a list of terms and definitions relevant to chemistry, including chemical laws, diagrams and formulae, laboratory tools, glassware, and equipment.
Chemistry how tos and glossary the science company. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks. Glossary of terms used in photochemistry rd edition. Iupac recommends that the former use of the pressure of 1 atm as standard pressure equivalent to 101 325 pa should be discontinued. Basic chemistry terms and definitions from lesson 6 2 terms. Glossary explanations of terms in organic chemistry. First, it can refer to any process used to make ethanol unfit for consumption denatured alcohol. Chemistry vocabulary definitions of chemistry terms. Chemistry the science that studies matter, what it is, how it reacts and does not react with other matter quantitative measurement a measure that has both numbers and units, such as 454 grams qualitative measurement a measure that uses words to describe, such as very cold or dark blue. Chemistry in contrast to physics is involved with the change of the outer electronlayers only, whereas physics involves the state of the nucleus as well. Physical organic chemistry commission has been followed for the typeface used.
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