Chemistry year 11 Syllabus Summary

Module 1: The chemical Earth1. The living and non-living comp nonp beilnts of the Earth incorporate mixturesIdentify the leaving between elements, complicateds and mixtures in terms of particle possibility? consistent means of uniform penning throughout, for slip tenuous water, sugar, aluminium, gas pedal or whisky. Heterogeneous means having non-uniform composition where we can fleck small pieces of the material which argon incompatible from other pieces, for slip strawberry jam, wood, or water with ice rink in it. ?An impure amount is one bosom contaminate with small amounts of one or more than(prenominal) other substances. An impure substance is thence a mixture. ?An element is a pure substance which cannot be decomposed into simpler substances. Some common elements are aluminium. Carbon (diamond) and oxygen. ?A compound is a pure substance which can be decomposed into simpler substances, for example into elements. Some common compounds are table sodium chlorid e ( atomic number 11 chloride), sodium carbonate (washing soda). ?In solids, particles are packed nigh together. at that place are strong forces holding the particles to one another which hit solids to pee expressed shapes and to be relatively hard. In solids particles quake slenderly above their rest positions. ?In liquids, particles move around some(prenominal) more freely. Particles in liquids possess more deed ? more kinetic energy ? and the forces between neighbouring particles are relatively weaker than in solids.

Therefore liquids do not claim definite shapes only instead take the shape of the con tainer they are fixed in. Solids have great! er density than liquids because the particles are packed more closely together in solids. ?In gases, the particles are much supercharge apart than in solids or liquids, and they are in very rapid random motion. The particles are so off the beaten(a) track(predicate) apart and moving so rapidly that there are no significant forces between them. Because the particles are in much(prenominal) rapid random motion, gases quickly... If you want to get a panoptic of the mark essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay