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10 Cards in this Set
- Front
- Back
chemical reaction
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A chemical reaction is the process in which two or more substances combine to make one or more new substances that have different properties than the original ones.
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atom
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An atom is the smallest part of an element.
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molecule
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A molecule is a particle made of two or more atoms that are held together with bonds.
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precipitant
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A precipitate is the solid substance that forms and separates from a mixture.
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reactant
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A reactant is the starting substance in a chemical reaction.
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product
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A product is the substance(s) produced in a chemical reaction.
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compound
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A compound is a substance made of two or more different kinds of atoms.
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When there is a chemical reaction in substances, what happens to the atoms?
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When there is a chemical reaction, the atoms come together to form different molecules and substances.
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When you mixed calcium chloride, baking soda and water, how did you know a chemical reaction occurred? What is the evidence that showed that?
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I know a chemical reaction occurred because I saw that a new substance was created and the evidence is that the substance changed color and became colder.
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If salt breaks down into smaller pieces, what is the smallest piece salt can be and still be salt?
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The smallest form is a single molecule of salt that is a compound.
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