What Are Chemical Reactions?
How Do Chemical Reactions Work?
When Do Reactions Happen More Quickly?
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atoms combine atoms joined atoms or molecules baking powder bath bomb bath salts Black powder bonds with oxygen bottle Bubbles Burning fuel called explosions carbon dioxide gas catalysts chemical property describes chemical reactions need chemical symbol color producers combine to form comes from chemical copper cork different atoms different colors electrons example firebreaks Fireflies fireworks fizzing flour form compounds form rust galvanized gases glucose Gold happen faster happen more quickly Heinemann Library hydrogen atoms iron oxide lemon juice lightstick liquid magnesium magnetite match materials matter metal elements mixture nucleus number of atoms oxidation reactions oxygen atoms oxygen from getting periodic table Photosynthesis physical change physical properties pushes react with water reactants reactions are called Reactions happen reactions need energy reactivity series reacts with oxygen solid steel underneath steel wool Stop Reactions substances that react surface area teaspoon thermometer third glass type of atom unreactive vinegar Zinc oxide