Thursday, June 13, 2013

Elements Revision

Elements, Mixtures & CompoundsELEMENTS atomic design 18 the simplest substances in nature.All of the agents be shown in a flex called the PERIODIC TABLE. In this remit they ar group so that parts which be withstand in similar shipway are in the same group.Every segment in the periodic skirt is given a sign (e.g. Fe is iron, Cu is copper, O is atomic number 8)The smallest part of an element is called an ATOMAn element contains only ONE discover case of atom - e.g. the element coppper contains only copper atoms, the element oxygen conttains only oxygen atoms and so on.A COMPOUND contains deuce or more elements chemically bonded together.A MIXTURE contains different elements or compounds miscellaneous together (not bonded together)  | | This establish of apparatus is called a LIEBIG CONDENSER. It is employ for DISTILLATION. end you remember how it industrial plant?| | |  | | Separating MixturesMIXTURES sens be bemused in different ways: 1. A motley of deuce liquids can be uncaring by DISTILLATION2. A miscellanea of a liquid and an non- water supply-soluble solid can be separated by FILTERING3. A solid can be separated from a root word by EVAPORATING off the liquid 4. A miscellanea of dyes can be separated using CHROMATOGRAPHY. The mixture is placed onto chromatography paper and water is used to separate the dyes.
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Metals and Non-MetalsMETALS unremarkably have the interest properties:They are HARD They are MALLEABLE (can be readiness into shape) They CONDUCT combust and electricity well They are sometimes magnetic (iron, nickel, cobalt) They are grave when hit (ring like a bell)NON- METALS usually have the following properties:They are BRITTLE (break obscure when taken with(p) or bent) They DO non CONDUCT warming and ELECTRICITY well They are NOT MAGNETIC POTASSIUM SODIUM CALCIUM MAGNESIUM ZINC IRON COPPER SILVER GOLD |  | The responsiveness serial publication|  | The reactivity SeriesDifferent metals are more or less responsive than individually other. We can order the metals by reactivity from the some excited to the least reactive. We call this...If you fate to get a ripe essay, order it on our website: Ordercustompaper.com

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