Chemical Reactions Vocabulary - Chemical Reactions Activities
Texte du Storyboard
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EXOTHERMIC
An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction.
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ENDOTHERMIC
An exothermic reaction is a chemical reaction that absorbs energy from its surroundings. It is the opposite of an exothermic reaction.
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REACTANTS
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Reactants are the starting substances in the reaction. They are found on the left side of an equation. In the methane combuexample the reactants are methane and oxygen.
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PRODUCTS
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Products are formed as a result of a chemical reaction. They are found on the right side of an equation. In the methane combustion example the products are carbon dioxide and water.
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BOND
methane methane
carbon dioxide carbon dioxide
water water
A strong, lasting attraction between atoms is called a bond.
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oxygen oxygen
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