Wednesday, February 07, 2007

year 8c class on monday

in monday s class we where investigating acids.We learned that all acids

1Are liquids
2Have reactiva hydrogen particles in them
3React to form SALTS


we also learned about ELEMENTS AND COMPOUNDS
Elements contain particles or elements of only one type.Compounds contain atoms of two or more elements chemically joined together.to separate a compound into it s elements you have to carry out a chemical reaction.

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