Amazing and Concise notes! I have been through past papers dating back to 2001 in making these notes and have added relevant scientific detail. If you...
Amazing and Concise notes! I have been through past papers dating back to 2001 in making these notes and have added relevant scientific detail. If you can't download them, email me: muadhcha…Full description
Amazing and Concise notes! I have been through past papers dating back to 2001 in making these notes and have added relevant scientific detail. If you can't download them, email me: muadhcha…Full description
Amazing and Concise notes! I have been through past papers dating back to 2001 in making these notes and have added relevant scientific detail. If you can't download them, email me: muadhcha…Full description
gcse chemistry textbookFull description
Part I of II for model answers for Edexcel Chemistry Unit 1 (AS Level) Questions.
Full description
chemistry a-level study techniquesFull description
Rates of reactionFull description
Summary of organic reactions of Unit-4 and Unit-5
Unit 3 (International) Chemistry Notes for IAL AS Level Students.
Unit 3 (International) Chemistry Notes for IAL AS Level Students.Full description
For OCR A SpecificationFull description
Chemistry Definition Form 5 *Please do not cancel or change the name and watermark. Credits: Yvonne Choo http://dashortsquare.blogspot.com/
Atomic Number: The number of protons protons in in an atom atom.. Atomic Mass: The sum of the masses masses of of the particles in the atom atom.. Formula Mass: The sum of the masses masses of of all elements elements present present in a compound compound.. Mass Number: Number of protons protons plus plus the number of neutrons neutrons in in an atom atom.. Isotopes: Atoms with the same number of protons protons,, but dierent number of neutrons neutrons.. Molecular Formula: Representation of each element present in the smallest possible amount of a compound Relative Atomic Mass: ei!hted avera!e mass mass of of the isotopes present relative to "#"$ th the mass of an atom of "$%& &hemical Formula: Representation of the smallest possible amount of the substance. 'alenc(: The number number of of chemical bonds made b( an atom atom or or !roup of atoms )pectator Ions: These are ions that ma( be present in the reactin! solutions but do not react.. react *ercenta!e &omposition: the percenta!e contribution of each element element to to the total mass mass.. +mpirical Formula: Formula: )implest whole number ratio of the elements elements present present in the compound compound.. $ Moles: %"- of molecules I)/ +lectronic: An( two or more elements which have the same electronic structure structure.. Atom +conom(: This describes the e0cienc( e0cienc( of of a chemical reaction b( comparin! the total number of number of atoms atoms in in the product product with with the total number number of of atoms atoms in in the reactant.. reactant Ionisation +ner!(: minimum minimum ener!( ener!( re1uired to remove "mol of electrons electrons from from "mol of atoms in atoms in the !as phase phase.. +lectrone!ativit( +lectrone!ativit(:: This is a measure of the abilit( of an atom to attract a pair of electrons in a covalent bond &ovalent 2ond: )hared pair pair of of electrons electrons.. Ionic 2ondin!: The electrostatic force force of of attraction between ions ions of of opposite char!e char!e,, ions are not bonded bonded to!ether, to!ether, rather the( are 3ust touchin! touchin! each each other. 4attice: Re!ular repeatin! pattern Metallic 2ondin!: The electrostatic force force of of attraction between the lattice of positive ions and delocalised delocalised electrons. electrons. 562ondin!: 562ondin!: The force of attraction between a lone pair pair of of electrons and an eposed h(dro!en nucleus nucleus.. 7ipole67ipole: 7ipole67ipole: Force Force of attraction between oppositel( char!ed poles poles on on nei!hbourin! molecules. 8iant Molecular &ovalent: Networ9 of stron! stron! covalent covalent bonds. 5omolo!ous )eries: A !roup of compounds that have similar properties and properties and share a !eneral formula. formula. 5(drocarbons: &ompounds of the elements 5(dro!en 5(dro!en and and &arbon &arbon onl(. onl(. Isomers: 7ierent 7ierent chemicals chemicals that have the same same chemical chemical formula formula.. )tructural Formula: Formula: )hows su0cient detail to !ive a uni1ue structured isomer Fractional 7istillation: )eparatin! a comple miture miture into into a miture of compounds with similar boilin! points points.. &atal(st: a catal(st is a substance which speeds up up a a chemical reaction but remains chemicall( unchan!ed unchan!ed b( b( the reaction. It onl( wor9s when it is in contact with !ases.. !ases &ombustion: Reaction of a fuel with /(!en /(!en.. 8reenhouse 8ases: 8as es: Trap Trap infa6red radiation radiation in in the atmosphere. +ner!( 4evels: 'olumes 'olumes of of space around a nucleus nucleus.. &atal(tic &onverter: $N/ $&/ N$ $&/$ Flue 8as &apture: &a/ )/ $ &a)/ )tructural Isomers: 5ave the same molecular formula but formula but dierent structural formulae. formulae. 7ative &ovalent 2ondin!: 2oth electrons donated electrons donated from χ. )aturated: )in!le )in!le bonds bonds /N4; →
→
&rac9in!: 2rea9in! lon! chain h(drocarbons chain h(drocarbons into smaller chain h(drocarbons. chain h(drocarbons. Fractions: miture of compounds compounds with with similar boilin! points. points . Fractional 7istillation: )eparates a ver( comple miture into miture into a few mitures b( mitures b( similar boilin! points. points.
