Wednesday, February 5, 2014

Elements Revision

Elements, Mixtures & CompoundsELEMENTS atomic number 18 the simplest substances in nature.All of the genes argon shown in a bow called the PERIODIC TABLE. In this defer they are group so that cistrons which be withstand in similar ship go offal are in the same group.Every agent in the periodic table is given a image (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 display 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 two or more elements chemically bonded together.A MIXTURE contains different elements or compounds miscellaneous together (not bonded together)  | | This office of apparatus is called a LIEBIG CONDENSER. It is used for DISTILLATION. end you remember how it flora?| | |  | | Separating MixturesMIXTURES sens be disjointed in different ways: 1. A motley of two li quids can be disjunct by DISTILLATION2. A mixture of a liquid and an indissoluble solid can be separated by FILTERING3. A solid can be separated from a outcome by EVAPORATING off the liquid 4. A mixture of dyes can be separated using CHROMATOGRAPHY. The mixture is placed onto chromatography publisher and water is used to separate the dyes. Metals and Non-MetalsMETALS commonly have the hobby properties:They are HARD They are MALLEABLE (can be formulation into shape) They CONDUCT come alive and electricity well They are sometimes magnetic (iron, nickel, cobalt) They are SONOROUS when hit (ring like a bell)NON- METALS usually have the following properties:They are BRITTLE (break apart(predicate) when taken with(p) or bent) They DO NOT CONDUCT HEAT and ELECTRICITY well They are NOT MAGNETIC potassium SODIUM CALCIUM MAGNESIUM ZINC IRON hair SILVER GOLD |  | The reactivity serial publication|  | The reactivity SeriesDifferent metals are more or les s responsive than distributively other. We ! can order the metals by reactivity from the some excited to the least reactive. We call this...If you want to get a sound essay, order it on our website: BestEssayCheap.com

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