hj 0.0 / 5 ? AllhAll LevelsAll boards Created by: kmn123Created on: 06-05-14 16:35 element the simplist form of a substance that can not be split into anything simpler 1 of 24 compound two or more substances chemically joined or combined via a chemical reaction that are not easily separated 2 of 24 micture two or more substances no chemiccally combined that are easily separated 3 of 24 atom the simplest particle from which all matter is composed 4 of 24 molecule two or more atoms chemically joined or combined 5 of 24 malleable can be harmered into shape without breaking 6 of 24 ductile can be stretched into a wire 7 of 24 brittle easily broken when force applied 8 of 24 sonorous makes a sound when hit 9 of 24 thermal decomposition breaking down of a substance using heat 10 of 24 precipitation the formation of an insoluble substance from two soluble substances 11 of 24 neutraliesation the reaction between an acid and an alkali 12 of 24 direct combination the formation of a compound directly from it's elements 13 of 24 exothermic a reaction that gives out heat 14 of 24 endothermic a reaction that gives in heat 15 of 24 oxidation the addition of oxygen to a substance 16 of 24 what can't atoms do during a chemical reaction be created or destroyed 17 of 24 is there a mass change during a reaction no 18 of 24 what are the proprieties of oxygen colourless, odourless, slightly soluble in water, supports combustion reactions 19 of 24 what is the test for oxygen relights a glowing splint 20 of 24 what are the three elements required for fire fuel, oxygen, heat 21 of 24 combustion the term for a substance burning 22 of 24 what is a flash point the lowest temperature at which there is enough vapour to ignite 23 of 24 what is the equation for rust iron + oxygen (water/ goes to) iron oxide 24 of 24
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