z-Ch.1

H MW= 1 C MW= 12 N MW= 14 O MW= 16 Na MW= 23 P MW= 31 S MW= 32 Cl MW= 35.5 K MW= 39 Ca MW= 40 R-NH-C(=N(+)H2)-NH2 Guanino ATP [image]

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Year 9 IGCSE Key Terms

acid rain rain with a pH less than 5.6; acid rain has been made more acidic than normal rain because sulfur oxides and nitrogen oxides have dissolved in it; acid rain causes damage to buildings made from limestone, damages metal structures, kills fish, damages leaves in trees so they photosynthesise less alkanes a homologous series […]

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Year 10 IGCSE Key Terms

acid any substance that produces hydrogen ions, H+, when dissolved in water acid rain rain with a pH less than 5.6; acid rain has been made more acidic than normal rain because sulfur oxides and nitrogen oxides have dissolved in it; acid rain causes damage to buildings made from limestone, damages metal structures, kills fish, damages […]

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Y10 Module 8 Key Words

Alcohol A family of chemicals made by fermenting sugars Alloy A metal mixture, often with special properties Binge Drinking Drinking excessive amounts of alcohol over a short space of time with the intention of getting completely drunk Breathability Clothing that lets the water vapour from sweat escape has this Carbon Fibre Fibres made from carbon […]

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Y10 Module 7 Key Words

Acid Rain rain with dissolved pollutants such as sulphur dioxide that makes the rain acidic Atmosphere the layer of gas that surrounds the Earth Bias(on the internet) where an unbalanced account of a problem is given to push forward one point of view over another Bio-fuels a fuel mad up from living things-usually from plants […]

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Y10 Module 6 Key Words

carbohydrates substances that are compounds of carbon, hydrogen and oxygen. caustic soda the common name for sodium hydroxide citric acid a weak acid found naturally in oranges and lemons. combustion burning crust the rocky outer layer of the earth decomposition a reaction in which a substance breaks down into two or more new substances dehydrated […]

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Y10 Module 5 Key Words

alkali metal an element found in group 1 of the periodic table. alkali metals include lithium, sodium and potassium alkaline a substance that turns universal indicator paper blue and has a pH greater than 7 alloy a mixture of metals or non-metals analyse to study a substance carefully to find out which chemicals it contains […]

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Xtremepapers.net

Covalent bonds are formed by the (1) of electrons. Covalent substancees have (2) electrical conductivity. 1-sharing2_low What substance is not used as a fuel? Oxygen Which changes of condition slow down the reaction between magnesium and air? Using magnesium ribbon instead of powdered magnesium. Dilute sulguric acid is added to a mixture of copper, magnesium […]

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WWU Chem 351 Chpt 3

Methylene Group       Homologs -CH2-         Members that difere in number of methylene groups Butane   What is the name for linear butane?  For branched butane? C4H10   “n-butane” (n-denotes carbon on mother chain it’s attached to) ; “iso-butane” b/c it’s a branched isomer What is the IUPAC Rule regarding […]

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