OCR Chemistry Module 1 Definitions Just a few definitions from 1.1 OCR Chemistry. 3.5 / 5 based on 2 ratings ? ChemistryASOCR Created by: Cleo1604Created on: 15-12-12 22:41 Isotopes are atoms of the same element with different numbers of .......... Neutrons 1 of 14 Relative ........... mass is the weighted mean mass of an atom of an element compared with one-twelfth of the mass of an atom of carbon-12 Atomic 2 of 14 A mole is the amount of substance containing as many particles as there are ..........atoms in exactly 12g of the ..........-12 isotope Carbon 3 of 14 A molecule is a small group of atoms help together by ............ bonds Covalent 4 of 14 Molar volume is the volume per mole of ......... Gas 5 of 14 A(n) ............... is any type of particle that takes place in a chemical reaction Species 6 of 14 A acid is a proton ............. Donor 7 of 14 (An insoluble) proton acceptor Base 8 of 14 A substance that contains no water molecules Anhydrous 9 of 14 Amount (in mol.) = Mass (in g)/ ...........(g mol^-1) Molar Mass 10 of 14 Oxidation is ............... of electrons Loss 11 of 14 A(n) ...................... agent is a reagent that takes electrons from another species Oxidising 12 of 14 A ............ reaction is a reaction in which both reduction and oxidation takes place Redox 13 of 14 (Bonus) When an acid reacts with a ................, a salt, carbon dioxide, and water is formed Carbonate 14 of 14
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