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Reviewing chemical formulae + equations from 2008

Reviewing chemical formulae + equations from 2008. Discuss; How do we work out chemical formulae for ionic compounds?. Cations can add to anions The cation usually forms the first part of the name If the formula is correct there is no overall charge

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Reviewing chemical formulae + equations from 2008

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  1. Reviewing chemical formulae + equations from 2008 Chemistry 11 Mr Graham BSc PGCE

  2. Discuss; How do we work out chemical formulae for ionic compounds? • Cations can add to anions • The cation usually forms the first part of the name • If the formula is correct there is no overall charge • If you have more than one polyatomic ion they are placed inside brackets • Add physical state if known (s,l,g or aq) Use the following tables to construct some formulae Chemistry 11 Mr Graham BSc PGCE

  3. Chemistry 11 Mr Graham BSc PGCE

  4. Chemistry 11 Mr Graham BSc PGCE

  5. GORT’s metal skin could not be scratched by diamond. I was so impressed! Chemistry 11 Mr Graham BSc PGCE

  6. Concentrated acid + sugar demo Find the formulae for the following covalent molecules, ethanol, ammonia, glucose, sugar, methane, butane, propane, hexane, sucrose, chloroform, tetrachloromethane Chemistry 11 Mr Graham BSc PGCE

  7. List some important acid + bases. (with formulae) Chemistry 11 Mr Graham BSc PGCE

  8. SOME IMPORTANT GENERAL EQUATIONS PLEASE COMPLETE….. Acid + Base?, Acid + metal, Acid + carbonate, Acid + Sulphide, Acid + sulphite, Acid + thiosulphate, Metal + oxygen, non metal + oxygen, Metal oxides + water, non metal oxide + water, reactive metals with water, metal with water, metal displacement, halogen displacement Just to get started Chemistry 11 Mr Graham BSc PGCE

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