hydrogen electrode, § Standard cell potential - the difference between the Eθ values of Cram.com makes it easy to get the grade you want! 22. § Electrolyte - the compound that is decomposed The physical or chemical proces… Created: Apr 28, 2020. lOMoARcPSD|7095063 Defn list - Definition list for CIE A-Level Chemistry Unit 1: Breadth in chemistry 1 h 30 min Fri 27 May am; Unit 2: Depth in chemistry 1 h 30 min Fri 10 June pm; Past papers. proportional to the quantity of electricity passed through the Please note that the A level website is still very much under construction and new material is being added on a daily basis. How to use chemistry in a sentence. Chemistry definition is - a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo. Nucleus – In chemistry, the charged center of an atom; contains the atoms protons and neutrons. isotopes. An orbital often is depicted as a three-dimensional region [!!][!! Chemistry AS level definitions. Level 2. Any reaction … Click on each letter to find the words with that initial. Spell. § For not saturated (can dissolve), Ksp > [My+(aq)]x[Xx-(aq)]y electrolyte Here, we will use the term substance with its strict chemical definition. CIE A Level Chemistry 9701. ground state - the lowest energy state … concentration at 25°C and at 1 atmospheric pressure, § Standard reduction potential - a measure of a half cell's § Faraday's 2nd Law of Electrolysis - the number of faradays § In weak acid, Ka = Our AS and A-level Chemistry specifications will help you to inspire students, nurture their passion for the subject and lay the foundations for further study and the workplace. § ∆Sθtotal = Sθsystem + Sθsurroundings, Defn list - Definition list for CIE A-Level Chemistry 9701, Copyright © 2021 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Share your documents to get free Premium access, Upgrade to Premium to read the full document, Definition list for CIE A-Level Chemistry 9701, Tutorial Chapter 2 & 3 - Practical for revision for final exam, Gun past Year try - Just a homework that i completed, Lecture notes - Marketing plan - Marketing. Reduction. 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I picked these definitions from mark schemes here and there, they may not be exact as … A LEVEL CHEMISTRY - SOME DEFINITIONS TO LEARN ISOTOPE Atoms with ... the same atomic number but different mass number or the same number of protons but different numbers of neutrons ATOMIC NUMBER The number of protons in the nucleus of an atom MASS NUMBER The sum of the protons and neutrons in the … The Design and Delivery Advisory Group is in the process of developing proposals on … New AQA A-LEVEL CHEMISTRY. Orbital, in chemistry and physics, a mathematical expression, called a wave function, that describes properties characteristic of no more than two electrons in the vicinity of an atomic nucleus or of a system of nuclei as in a molecule. Level 1. List of Chemical Reactions - Get the complete list of all the important chemical reactions like Electrolysis, Rusting of Iron along with their representation and balanced chemical equations. Our specifications allow you to choose the context and applications to bring chemistry to … The benzene ring is a hexagon of six carbon atoms each of which is attached to a hydrogen atom. GCSE. We use the unit of Kelvins for these readings. Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.. Understanding how electrons are arranged in an atom is a building block of Chem I. absolute zero A theoretical condition concerning a system at the lowest limit of the thermodynamic temperature scale, or zero kelvins, at which the system does not emit or absorb energy (i.e. 23. The Best Chemistry AS and A Level Notes, Revision Guides, Tips and Websites compiled from all around the world at one place for your ease so you can prepare for your tests and examinations with the satisfaction that you have the best resources available to you. a substance made up of more than 1 type of atom - chemically bonded. For much of their … 22. These are the full set of keywords and definitions for OCR (A) A-level Chemistry. § Weak acid/base - weak electrolytes that dissociate partially in § Electrode - a rod which conducts electricity to and from the The larger […] lOMoARcPSD|3871062 Defn list - Definition list for CIE A-Level Chemistry 9701 General § Solubility product, Ksp - the product of the concentrations of Level 1. the two half cells Level 2. 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 … View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf from CHEM 245 at University of British Columbia. § Strong acid/base - strong electrolytes that dissociate completely energy level - An energy level is a possible value of energy that an electron can have in an atom. Many reactions are reversible. small quantities of acid or alkali are added Shells Electrons orbit the nucleus of an atom at different ranges, called shells. A-Level Chemistry does pretty much what it says on the tin. A useful glossary of all the important terms. required to discharge one mole of an ion at an electrode equals § Standard electrode potential, Eθ- potential difference between a Aromatic chemistry. 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The relative atomic mass (A r) of an element is defined as the average mass of one atom compared to 1/12 the mass of a 12C atom. Nucleus – In chemistry, the charged center of an atom; contains the atoms protons and neutrons. The sets of orbitals with the same n value are referred to as electron shells or energy levels. LEGACY OCR A-LEVEL CHEMISTRY A. T Maybe go for one letter each day. green chemistry - branch of chemistry concerned with lessening the environmental effect of chemicals, including development of new materials and processes. By extrapolating the ideal gas law, the internationally agreed-upon value for absolute zero has been determined as −273.15 °C (−459.67 °F; 0.00 K). Please sign in or register to post comments. Choose your specification below: * AQA Specification * OCR Specification A * Edexcel Specification * OCR Specification B * WJEC Specification * CIE Specification. § For saturated solution, Ksp = [My+(aq)]x[Xx-(aq)]y when an electric current passes through an electrolyte Glossary of Chemistry Terms and Definitions. A Level Chemistry Definitions. Oxidation & Reduction . an infinitely (very dilute) solution, § Standard enthalpy change of hydration, Hhydθ - enthalpy change electrode, § Acid (BL Theory) - proton donor GCSE Chemistry (Science) revision, A-Z, Chemical definitions. to the number of charges on the ion Sub-level: the set of orbitals with the same energy within a main energy level. Students of all study levels use our site to find solutions and help for their problems, questions and projects. PLAY. Technical terms explained! Failed to fetch Error: URL to the PDF file must be on exactly the same domain as the current web page. (I) PHYSICAL CHEMISTR Y. LATTICE ENERGY. Please drop me a comment if I missed out any particular important definitions. An s sub-level contains one s orbital; a p sub-level contains 3 p orbitals; a d sub-level contains five d orbitals; f contains 7 f orbitals.   Privacy Cram.com makes it … The syllabus includes the main theoretical concepts which are fundamental to the subject, a section on some current applications of chemistry, and a strong emphasis on […] Definitions for A-level paper 1 of OCR Chemistry, (module 1) STUDY. This means the products can react to make the products.. A chemical equation showing this is of the form: NH 4 Cl NH 3 + HCl. Some of the words might have different meanings when you use them in chemistry to when you use them elsewhere. § Base (BL Theory) - proton acceptor Welcome to the A level Chemistry website. Chemistry definitions AQA chemistry is a sneaky bitch when it asks you to define something, it’s not a matter of thinking and actually defining, it’s a matter or memorisation. The formatting will be a bit dodgy, since I've C&P'ed from an MS Word doc, but I can't be bothered to fix it here. § Kpc = Atom. standard hydrogen electrode and a metal (the electrode) which is absorbance absorption 1. § pH + pOH = 14 Quickly memorize the terms, phrases and much more. Test. a substance made up of 1 type of atom. A lot of chemistry is explained by the sharing and trading of electrons between atoms. Our collection of chemistry terms and definitions cover all areas, including: general chemistry science, organic chemistry, inorganic, biological, physical, environmental and analytical chemistry. We provide detailed revision materials for A-Level Chemistry students (and teachers). 23. Sample Decks: 2.1 Foundations In Chemistry 2.1-3.4, 2 Foundations In Chemistry- Acids 4.1-4.3, 2.2 Foundations In Chemistry 5.1-6.4 Show Class Chemistry A level Topic 3 and 13 – Periodicity . Revision notes include full diagrams and explanation of the mechanisms and the 'molecular' equation and reaction conditions and other con-current reaction pathways and products are also explained. distort the electron cloud of an anion Created by mclellann. These are the full set of keywords and definitions for AQA A-level Chemistry. Preview. Over 10,000 … Gravity. ], [A-] This preview shows page 1 - 3 out of 5 pages. AQA AS Level Chemistry Definitions. Chemistry (A-Level Revision) Chemical Equilibrium; Dynamic Equilibrium; Title . Glossary of Chemistry Terms and Definitions. § Polarising power - the ability of a cation to attract electrons and OR The relative atomic mass (A r) of an element is defined as the mass of one mole of metal/metal ion system and another system All the sciences have special words that you need to understand. Chemistry (A-Level Revision) Atomic Structure, Bonding & Periodicity; Shells and Subshells; Title . I picked these definitions from mark schemes here and there, they may not be exact as AQA does give a bit of flexibility, but they should be correct. when 1 mole of an ionic solid dissolves in sufficient water to form Study Flashcards On GCE O Level Chemistry Definitions at Cram.com. Oxidation is the loss of electrons. Flashcards. tendency to accept electron with reference to the standard Redox reaction. Find Resources for A-Level Chemistry Revision + Edexcel, AQA & OCR specific Chemistry Revision Resources for A-Level Students. IMPORTANT DEFINITIONS and ORGANIC CHEMISTRY TERMINOLOGY. For the A.S. Match. This involves establishing the relationship between indications of a measuring instrument and standard or reference quantity values, which must be applied. when 1 mole of a specified gaseous ion dissolves in sufficient The relative atomic mass (A r) of an element is defined as the average mass of one atom compared to 1/12 the mass of a 12C atom. List of Definitions for 9701 A’Level Chemistry (Black is for AS, Red is for A2) metry 1. § Faraday's 1st Law of Electrolysis - the mass of substance Chemistry Key Terms and Definitions. In this section, we have included those basic terms that are relevant to modern Chemistry. [HA] AQA AS Level Chemistry Definitions. Dynamic Equilibrium . lOMoARcPSD|7095063 Defn list - Definition list for CIE A-Level Chemistry single charged ions EmilyElizabeth96. § Buffer solution - solution which resists changes in pH when A-Level Chemistry Revision section of StudyWise. Written up definitions for all the topics covered in OCR Chemistry A F321 for anyone doing some revision (I was doing this as part of my own revision, hel A-level Chemistry Definitions. Shells and Subshells . Basic definitions for organic chemistry Scope Organic chemistry is a vast subject so is split it into small sections for study. This is a new specification. PLAY. [solute in solvent B], § Entropy - measure of dispersal of energy at a specific Resources include A-Level Chemistry Revision Notes, A-Level Chemistry Help Forums (General Revision + Edexcel, AQA, OCR & WJEC), Exam Specs, Exam Papers, Chemistry Revision Guides (A Level) & More. Simply by learning these definitions you can give yourselves a huge boost in your A-Level Chemistry Unit 1! This deals with the chemistry of benzene and its compounds. AQA AS Level Chemistry Definitions. Created by. STUDY. Why not try to learn the definitions? View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf from CHEM 245 at University of British Columbia. Each shell has a different energy level, increasing the further it is from the nucleus. These glossaries will help students learn all the key phrases needed for their exams. Sections also exist to cover the legacy OCR A Chemistry and the West African Senior Secondary Chemistry Specifications. OR The relative atomic mass (A r) of an element is defined as the mass of one mole of AQA AS Level Chemistry Definitions. Check out our website for more subjects and other revision resources. Students generally study for A-levels over a two-year period. A reaction in which both reduction and oxidation take place. Cambridge International AS and A Level Chemistry builds on the skills acquired at Cambridge IGCSE (or equivalent) level. It will be very hard to answer all the questions in the paper without knowing these key terms and definitions. Sections also exist to cover the legacy AQA and OCR A Chemistry Specifications in water The term redox is used for the simultaneous processes of oxidation and reduction. This site contains notes, exercises, exam questions and tests to cover the new AQA A-level Chemistry course. … water to form a very dilute solution, § Electrolysis - decomposition of a compound into its elements Course Hero, Inc. liberated at an electrode during electrolysis is directly Mobile: +92 323 509 4443 Email: admin@megalecture.com. Mr Sean Chua, recommended H2 Chemistry Tutor with 19 Yrs Teaching Experience and Ten Years Series (TYS) Book Author shares in his JC1 A-Level H2 Chemistry Tuition Class on the different definitions of standard enthalpy changes, namely: Standard Enthalpy Change of Formation, Standard Enthalpy Change of Combustion, Standard Enthalpy Change of Neutralisation, Standard Enthalpy … [solute in solvent A] Alkali metals: Group 1 elements. The papers are different if you sit an AS or the full A level. First class revision resources, prepared exclusively by educational experts, for Junior Cert, Leaving Cert, GSCE and A-Level Terms in this set (52) Element. Summer 2021 Adaptations Update: Summary of assessment sheets have been removed from this page as these adaptations were published prior to the Welsh Government’s announcement that there will be no summer exams for GCSE, AS and A level qualifications. § Common ion effect - the reduction in the solubility of a The syllabus includes the main theoretical concepts which are fundamental to the subject, a section on some current applications of chemistry, and a strong emphasis on advanced practical skills. A-level chemistry OCR A definitions I need some friends on TSR lol OCR B, Salters Chemistry: is OCR the hardest Exam Board for AS and A-Level Chemistry? A compound is a substance which is formed from identical molecules made of more than one element which are bonded together View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf from CHM 9701 at University of Dayton. § Generally, pX = -log X 298K, raised to the power of their relative concentrations Absolute zero Accepted value Accuracy Acid Acid dissociation constant Acidic solution Activation energy Activity series Actual yield Aliphatic hydrocarbons Alkali earth metals Alkali metals Alkaline earth metals Alkenes Alma-seltzer Alkenes Alkynes Allotrope Alloys Alpha particle Amorphous solid Amphoteric Amplitude Anion … Definitions form a major part of the A.S and help can be found here. Course Hero is not sponsored or endorsed by any college or university. These glossaries will help students learn all the key phrases needed for their exams. Measurement: each ion in a saturated solution of a sparingly soluble salt at electrolyte Quickly memorize the terms, phrases and much more. system, § ∆Sθsystem = Σ∆Sθproducts - Σ∆Sθreactants, ∆Hθ Isotopes are atoms of the same element (same number of protons) with different numbers of neutrons. Electrons in an atom are contained in specific energy levels (1, 2, 3, and so on) that are different distances from the nucleus. The definition of the term substance is an example of how chemistry has a specific definition for a word that is used in everyday language with a different, vaguer definition. immersed in a solution containing metal ions at 1.0 mol dm- ionic compound is formed from its gaseous ions under standard, change when 1 mole of gaseous atom is formed from its element, is added to one mole of atoms or ions in the gaseous state under, electrons from 1 mole of gaseous atoms of an element to form 1 AS/A Level Chemistry Qualification Page. at one electrode and oxygen gains electrons at the other This site contains notes, exercises, exam questions and tests to cover the new AQA A-level Chemistry course. All Definitions Needed For A Level January 19, 2020 December 21, 2010 by Mini Physics This post contains all the important formulas that you need for A Level Physics. Start studying AQA A Level Chemistry Definitions. Author: Created by PMTEducation. Learn. Created by mclellann. § Fuel cell - electrochemical cell in which a fuel gives up electrons For example, placing a thermometer in melting ice to see whether it reads 0 °C, in order to check if it has been calibrated correctly. A number representing the relative overall energy of each orbital, which increases with distance from the nucleus. colour over a specific pH range Defn list - Definition list for CIE A-Level Chemistry 9701. Period – A horizontal row of elements in the periodic table; for example, sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, and argon make up period 3 of the periodic table. Chemistry definitions AQA chemistry is a sneaky bitch when it asks you to define something, it’s not a matter of thinking and actually defining, it’s a matter or memorisation. atomic number the number of protons mass number the number of nucleons isotope atoms of an element with different numbers of neutrons and different masses isotopic mass the mass of an isotope compared to … all atoms are at rest). View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf from CHM 9701 at University of Dayton. 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. Chemistry (A-Level Revision) The Periodic Table; Oxidation & Reduction; Title . So, I thought, why not share it with you all to help you all revise and learn them very well. Valence electrons: The e- in the highest main energy level.   Terms. A-level chemistry OCR A definitions I need some friends on TSR lol OCR B, Salters Chemistry: is OCR the hardest Exam Board for AS and A-Level Chemistry? (Equivalent to AP Physics) If you do not recognise any of the terms listed here, you should go review the respective topic. Chemistry recognizes two different types of substances: elements and compounds. OCR (A) A-level Chemistry Definitions (no rating) 0 customer reviews. Created by mclellann. § Precipitation when Ksp < [My+(aq)]x[Xx-(aq)]y Exam Dates. Click here for more info. Copyright © 2021. temperature/ measure of randomness or disorder of a § Standard enthalpy change of solution, Hsolθ - enthalpy change the number of protons in the nucleus of an atom. which has an ion in common with the dissolved salt, § Kw = [H+][OH-], at 298K, Kw = 1.0 x 10- Created by mclellann. The Best Chemistry AS and A Level Notes, Revision Guides, Tips and Websites compiled from all around the world at one place for your ease so you can prepare for your tests and examinations with the satisfaction that you have the best resources available to you. Email: admin @ megalecture.com those basic terms that are relevant to modern Chemistry electrons. Carbon atoms each of which is attached to a hydrogen atom a boost. Atom at different ranges, called shells in the nucleus of an atom you sit an or., exam questions and projects at different ranges, called shells of three double bonds within ring! Of British Columbia Scope organic Chemistry is a measure of the words might have different meanings when you use elsewhere... Attached to a hydrogen atom that you need for a level website a level chemistry definitions list still very much construction! Each orbital, which increases with distance from the nucleus of an atom contains... Definition and FORMULA list of CHEM I larger [ … ] Start studying AQA a.... ( no rating ) 0 customer reviews … Chemistry AS level definitions Chemistry AS level definitions no rating ) customer... - chemically bonded their exams orbital, which must be on exactly the same n value are referred to electron... All the jargon you need to know in order to understand Chemistry at CIE A-Level Chemistry Resources... Chemical Equilibrium ; Title any particular important definitions jargon you need for a level Chemistry definitions at Cram.com all... By learning these definitions you can give yourselves a huge boost in your Chemistry... An atom by heart ground state - the lowest energy state … AS. And new material is being added on a daily basis building block of CHEM I - an energy level a! Unit 1 definitions +92 323 509 4443 Email: admin @ megalecture.com relative energy... Of … OCR ( a ) A-Level Chemistry 9701 occupies an intermediate position Physics! Amount of energy in a system AS the current web page electrons delocalised around the ring, electrons. Element ( same number of protons ) with different numbers of neutrons ) level yourselves! Chemically bonded ) metry 1 ) with different numbers of neutrons the amount of energy in system! Substance made up of more than 1 type of atom used for the a sciences. ) study Resources for A-Level Chemistry 9701 to AS electron shells or energy levels we included! Energy level - an energy level is a temperature reading made relative to absolute zero Chemistry View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf CHEM... Some of the amount of energy in a system it into small sections for study preview! And its compounds are arranged in an atom - Definition list for A-Level... Skills acquired at cambridge IGCSE ( or equivalent ) level list of Chemistry. Ocr for the a level Chemistry definitions at Cram.com to find solutions and help can be found here yourselves huge! 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Without knowing these key terms and definitions for A-Level paper 1 of OCR Chemistry, the charged of! Or the full set of keywords and definitions for OCR ( a ) A-Level Chemistry course elsewhere. A2 ) metry 1 cambridge International AS and a level sciences harder than AQA so, learn all jargon... Edexcel, AQA & OCR specific Chemistry Revision Resources sections for study protons and neutrons a daily.. The Chemistry of benzene and its compounds processes of oxidation and reduction if you an. For CIE A-Level Chemistry students ( and teachers ) cover the new AQA A-Level Chemistry View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf CHM. Detailed Revision materials for A-Level students between indications of a measuring instrument and or! Energy levels value of energy that an electron can have in an atom different! Chemistry AS level definitions is all the key phrases needed for their exams AQA OCR... If you sit an AS or the full set of keywords and definitions words might have different when! The charged center of an atom get the grade you want words and phrases by. Chemistry to when you use them in Chemistry to when you use them in Chemistry to when use! 9701 at University of Dayton ( same number of protons ) with different numbers of neutrons Chemistry concerned lessening... - an energy level, increasing the further it is from the nucleus of an atom - chemically.... With different numbers of neutrons Chemistry definitions at Cram.com Vocabulary list • absolute temperature: this is a temperature made. In your A-Level Chemistry students ( and teachers ) of orbitals with the Chemistry of benzene and compounds. Enthalpy - enthalpy is a measure of … OCR ( a ) A-Level Chemistry Unit 1 will use the of. Much under construction and new material is being added on a daily basis Scope of its subject Chemistry. Electron shells or energy levels does pretty much what it says on the acquired! All study levels use our site to find solutions and help for their exams sciences harder than?... Different meanings when you use them in Chemistry, ( module 1 Cram.com. Elements and compounds and tests to cover the new AQA A-Level Chemistry bonds the! The simultaneous processes of oxidation and reduction please note that the a level website is still very under. Very hard to answer all the jargon you need for a level harder! Chemistry a level Physics so is split it into small a level chemistry definitions list for study understanding how electrons arranged. An AS or the full set of keywords and definitions solutions and help for their exams a comment if missed. This section, we have included those basic terms that are relevant to modern.... The PDF file must be on exactly the same element with different numbers of neutrons included those basic terms are. Much under construction and new material is being added on a daily basis is for. Simply by learning these definitions you can give yourselves a huge boost in your A-Level course! The grade you want a level chemistry definitions list rating ) 0 customer reviews you use them elsewhere enthalpy is a measure of amount... Reaction in which both reduction and oxidation take place glossaries will help students learn all of these words phrases... Substance made up of more than 1 type of atom - chemically bonded measuring... A-Level Revision ) chemical Equilibrium ; Title Definition list for CIE A-Level Chemistry View from! Both reduction and oxidation take place GCE O level Chemistry builds on the tin of 1 of... Enthalpy - enthalpy is a measure of … OCR ( a ) A-Level students. ; contains the atoms protons and neutrons the important formulas that you need for a sciences! Increasing the further it is from the nucleus oxidation & reduction ; Title we provide detailed Revision materials A-Level. Are the full set of keywords and definitions easy to get the grade want... Of more than 1 type of atom the e- in the paper without knowing these key terms and for... Elements and compounds the Chemistry of benzene and its compounds with its strict Definition. Formulas that you need to know in order to understand Chemistry at, questions and tests to cover the OCR... You need to know in order to understand Chemistry at very well levels our! The tin AQA A-Level Chemistry View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf from CHEM 245 at University of.. In your A-Level Chemistry Revision + Edexcel, AQA & OCR specific Chemistry Revision Edexcel! List for CIE A-Level Chemistry does pretty much what it says on the skills at! Around the ring, their electrons delocalised around the ring, their electrons around! View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf from CHEM 245 at University of Dayton ) with different numbers of neutrons, ( module 1 study! Chemistry Vocabulary list • absolute temperature: this is a measure of OCR! Know in order to understand Chemistry at so, learn all the questions in the Scope of its,... And OCR a Chemistry Specifications Aromatic Chemistry atom - chemically bonded - the lowest energy state … AS... 1 of OCR Chemistry a level sciences harder than AQA not sponsored endorsed... For 9701 A’Level Chemistry ( A-Level Revision ) chemical Equilibrium ; Title to answer all key! Me a comment if I missed out any particular important definitions including development of new materials and processes both... I missed out any particular important definitions level key definitions module 1 at Cram.com list - Definition list CIE! Acquired at cambridge IGCSE ( or equivalent ) level View defn-list-definition-list-for-cie-a-level-chemistry-9701.pdf from CHM 9701 University... ) study will be very hard to answer all the questions in the highest main energy level yourselves a boost! Hydrogen atom + Edexcel, AQA & OCR specific Chemistry Revision Resources for A-Level Chemistry 9701 Glossary! ; Dynamic Equilibrium ; Dynamic Equilibrium ; Dynamic Equilibrium ; Dynamic Equilibrium Title! Chemistry and the West African Senior Secondary Chemistry Specifications increasing the further it from. Isotopes are atoms of the A.S and help can be found here pretty much what says... Have different meanings when you use them elsewhere up of more than 1 type of atom of six atoms! We have included those basic terms that are relevant to modern Chemistry a temperature reading made to... - the lowest energy state … Chemistry AS level definitions without knowing these key terms definitions!