Sign In. Here is a list of some of the most common and most interesting terms you need to know. 2.2 Chemistry, Terminology, and Acronyms This section focuses on chemistry, terminology, names, and acronyms for those PFAS most commonly reported in the environment, identified in scientific literature, and those PFAS most commonly tested for by current analytical methods. Acid: An acid is a … covalent bond: The […] 2. This is a comprehensive list of definitions that covers the most important and frequent definitions tested in past years exams. Azarov O.S.- Candidate of chemistry science, assistant professor Department of Biological and General Chemistry VNMU Marchak T.V.- Candidate of chemistry science, assistant professor Department of Physiological Agriculture and Live Stock Breeding and Chemistry VNAU Shitova T.V. 1730 COMMISSION ON PHYSICAL ORGANIC CHEMISTRY GLOSSARY OF TERMS USED IN PHYSICAL ORGANIC CHEMISTRY Abstraction reaction A chemical reaction, the main feature of which is the bimolecular removal of an atom (neutral or charged) from a molecular entity. It is designed primarily for undergraduate students studying organic chemistry and is intended to complement lectures and textbook reading. Chemistry is the study of matter and its interactions with other matter and energy. endstream Consistent definitions of concepts with their associated terms and symbols are essential if analysts and customers across the globe are to understand each other. The use of chemical probes to elucidate biology is the basis of chemical genomics. cadmium - Cadmium is the name for the element with atomic number 48 and is represented by the symbol Cd. chemistry and biology. A new feature is the inclusion of entry-level web links.With over 4,700 entries, including over 200 new terms for this edition, this is the ideal reference resource for students of chemistry at all levels, either at school or at university, undergraduate lecturers, and students and lecturers in related disciplines such as biology. 1 1 Glossary - Chemistry (Intro) Chemistry: The science that studies the properties of substances and how substances react with one another. You are required to know all these definitions, and we may add other definitions and key words as we progress through the unit. 6 0 obj Chemistry in contrast to physics is involved with the change of the outer electron-layers only, whereas physics involves the state of the nucleus as well. Chemical formula – A short form used to represent a molecule;… Illustrated Glossary of Organic Chemistry 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." There are many words and terms that are specific to chemistry, in this case inorganic chemistry. Scientists from different sectors often attach different words to the same concept; this makes interdisciplinary conversations very difficult and confusing. 2. See also Kelvin scale. Matter is anything that has mass and takes up space. In an element, all the atoms have the same number of protons or electrons although the number of neutrons may vary oxidation number a signed integer representing the real or hypothetical charge on an atom. We use the unit of Kelvins for these readings. period a horizontal row of elements in the periodic table. %PDF-1.4 Matter can be described in terms … Acids have a pH less than 7 and are good at dissolving metals. Start by: browsing the alphabetical index (left), using one of the many thematic indexes (left), Atomic number – The number of protons in the nucleus of an atom; for example, the atomic number for helium is 2. – Senior-lecturer Department of Russian and Ukrainian languages Glossary Chemistry 12/21/06 10:21 AM Page 831 Glossary A absolute temperature scale, T … ;�]i%�Z��*)���!��d7��m���$�ݧ/h�o�m��y�����˳��3���췳�1��}�zy���ه߄�������Y��]����܅���!����/�~�}�?����k��<=�Vw&�~ �ߒ6��5λݣ�A7���w�� lp��{����<=t�:�&����5!z�v_dU���Ny����:Ն֎Bkv������_zK��y�^�����u�L�i��QV�L.r�o�H�+���0�#��bI}I����/��i�5���j��I�2�O�چY�`�,�rYp����_?��6����k�/�A7&���` ���%Y�C2�?���F�E�$>daiI�U۴:��o�(�6����Z�$^��� ��w7���V힖��{ۘh�ݩ�y|g��0d����u�HCz�Y�Q���T�tb|��y])Mۘ.�.�~���}���SQ-"�%��^��w{�8g�߽���"��(�C�>/�w�E!��$+ N����j����R匍�]4#�L��ob/W_Yz�����Z�P�K"3E��#��t�V�_D������l���\�t�Z�3n�4Hk��F޶@�$���> �o��E��m�Nc@���0�q���$x����t��qޡ+}��� *�U}�_�*S{���������B;���clPf�iZ����V���w�O�%�G�2pHumM�����=x��5=�z����Y�����U��}�t�/g�q-��ax�D��)��0�!����h����zY:PR��(��v���$�J� ]N�^���׿��J9 W���p����~!O��.����^����Nz��k�e��o\�. On these pages you will find a new browsable, version of this publication. You are required to know them as questions on “definitions” are very popular. This is done by studying compounds which behave in a similar way because they have a particular atom, or group of atoms, (FUNCTIONAL GROUP) in their structure.CatenationThe ability to form bonds between atoms of the same element. organic chemistry an area of chemistry dealing principally with the chemistry of carbon. %PDF-1.4 For example, CH3COCH3 + CH3CO2—*(CH2COCH3) + CH3CO2H (proton abstraction from acetone) CH4 + Cl• —* H3C + HC1 (hydrogen abstraction from methane) Chemistry Terms Return to www.101science.com home page . Modern Chemistry Glossary of All Terms.PDF. First, it can refer to any process used to make ethanol unfit for consumption (denatured alcohol). Chemistry definitions may include either an empirical formula (say, for abietic acid, C 20H 30O 2) or a line formula (for acry-lonitrile, CH 2CHCN), whichever is appropriate. SAT Chemistry Glossary. Welcome to the grade 9 chemistry vocabulary list! Glossary of Chemistry Terms and Definitions. surface tension the property, due to molecular forces in the surface film, that tends to contract the liquid into a … For example, CH3COCH3 + CH3CO2—+(CH2COCH3) + CH3CO2H (proton abstraction from acetone) V�Ҋ�i�d���;b?�}���|~�gr���s�{��̝ `G�����#O9g�Q�t% ��Nik>�?k,��9 ��S:�M��'�@�+ ~z�)Omy���+��m5�k�������+��5�k��IG\�� �1���q������z��l3�"�_`���>���k��*F n>��}�Gr�x͢3�.��������+"���:g�o��@V�@����/�3�|�>̏?k��9s��O� ���. 1752 Chem. Born-Haber cycle: An important thermodynamic calculation that is used to quantify the energy involved in making ionic compounds. This document was compiled as an extra resource to help you to perform well in Physical Sciences. ― Confucius Many thanks to the students and other users of this web site who have suggested additional terms for … It is a member of the transition metals group. Select the first letter of the chemistry term you need a definition for: Some common chemistry terms: Element - A substance that cannot be decomposed into simpler substances. definitions that can be tested in your major chemistry examinations. 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. Indeed / Getty Images. Absolute magnitude A classification scheme, which compensates for the distance, differences to stars. x��\ےܶ}߯�'g&���;�(˷��K�S. Acid rain kills fish, kills trees, and destroys buildings and lakes. oxidation the loss of electrons by a species. 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Chemistry comes into play in the form of chemical probes or as compounds being evaluated as potential leads or drugs. absorption The process of taking up by capillary, osmotic, chemical, or solvent action, as a sponge absorbs water. Second, denaturing can mean breaking down the three-dimensional structure of a molecule, such as a protein is denatured when exposed to heat. 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