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chemical equations

uses symbols and chemical formulas to show a chemical reaction occurred

QuestionAnswer
plus sign means to combine or and
arrow means produces, yields or make points to the product
chemical equation uses symbols and chemical formulas to show that a chemical reaction occurred
reactant the substances that are broken down (on the left side of arrow)
products the new substances made in a chemical reaction (on the right side of arrow)
Fe+S---> FeS reactants on the left( Fe and S)
Fe + S ----> FeS products on the right (FeS)
law of conservation of matter ( mass ) states that matter cannot be created or destroyed
Coefficient Tells number of molecules number (in front of formula- 2 FeS)
subscript Tells number of atoms ( small number written below and after)
Created by: armoni