• Document: Science Junior Cert Chemistry Revision Notes. By Peter Jackson
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Science Junior Cert Chemistry Revision Notes By Peter Jackson Junior Cert Science –Chemistry Notes Peter Jackson Author These notes were brought to you by Peter Jackson. Peter is the Head of Science at St Columbas College, Whitechurch, Co Dublin. Peter has over 30 years teaching experience and has corrected Biology papers for the Department of Education for over 25 years and also marks appeals for the Department. Peter teaches Science at JC and Biology and Chemistry at LC. Peter has also recently written a book for Leaving Certificate students 'Essentials Unfolded - Chemistry ' specifically to help students studying Chemistry at LC. He has also given numerous courses on Lab Safety and IT in Teaching. We at mocks.ie are delighted to bring you these excellent notes at an affordable price. © Mocks.ie 2011 Science – Chemistry Revision Notes Peter Jackson Page 2 Junior Cert Science –Chemistry Notes Contents CHEMISTRY........................................................................................................................................................................ 4 Elements, Compounds and Mixtures ............................................................................................................................ 4 Mixtures and Compounds ............................................................................................................................................. 7 Acids and Bases ............................................................................................................................................................. 8 Air, Oxygen, Carbon Dioxide and Water ..................................................................................................................... 10 Hardness in Water ...................................................................................................................................................... 13 Water Treatment: ....................................................................................................................................................... 13 Acids and Bases ........................................................................................................................................................... 14 Reactions of Acids and Bases ...................................................................................................................................... 15 Atomic Structure, Reactions and Compounds ............................................................................................................ 16 Basic Atomic Structure ................................................................................................................................................ 16 Isotopes: ...................................................................................................................................................................... 17 Bonding ....................................................................................................................................................................... 17 Ionic Bonds .............................................................................................................................................................. 17 Covalent Bonds ....................................................................................................................................................... 18 Rusting and Corrosion ................................................................................................................................................. 19 Metals ......................................................................................................................................................................... 20 Hydrocarbons .............................................................................................................................................................. 21 Plastics......................................................................................................................................................................... 21 Role of Chemistry ........................................................................................................................................................ 22 © Mocks.ie 2011 Science – Chemistry Revision Notes Peter Jackson Page 3 Junior Cert Science –Chemistry Notes CHEMISTRY The world is made up of a variety of substances. Some of these occur naturally in our environment, others are made through the combination of naturally occurring substances to form new

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