Chemical Reactions - ChemicalReactions

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Chemical Reactions As we learned earlier the most fundamental building blocks of matter for chemists are  atoms (that is, the elements you see in the periodic table). We also learned that atoms  can combine with other atoms by chemical bonding to form molecules. Recall that the  process where a molecule is transformed into a different molecule is called a  chemical  change . This process of chemical change is represented by a chemical reaction . For  example, It is important to keep in mind that while in a chemical reaction molecules are destroyed  and created by breaking and forming chemical bonds, atoms are neither created nor  destroyed in a chemical reaction. In other words - there must be the same number of  each type of atom on the product and reactant sides of the arrow. Making sure that this  rule is obeyed is called "balancing the chemical equation". In the above example the 
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Chemical Reactions - ChemicalReactions

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