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Chemical Reactions
Chemical Reactions Vocabulary-CMS
Definition | Term |
---|---|
process that produces chemical change, resulting in new substances that have properties different from those of the original substance | Chemical Reaction |
when a solid dissolves in a liquid, the solid breaks apart into particles too small to see and mixes completely in the liquid | Dissolve |
mass is neither created nor destroyed in chemical reactions | Law of Conservation of Mass |
characteristics of substances that do not change | Property |
general rules that are followed while doing science or rules that nature tends to follow | Scientific Principal |
a material made of only one type of matter (made of one ingredient throughout) | Substance |
a blend of two or more substances | Mixture |
describes a material that can dissolve in a particular substance | Soluble |
describes a material that does not dissolve in something else | Insoluble |
original substance at the beginning of a chemical reaction | Reactant |
the new substance produced in a chemical reaction | Product |
the smallest particle of an element that still has the same chemical properties of the element | Atom |
particle of matter that is made of two or more atoms that are joined together | Molecule |
substance formed by the chemical combination of two or more elements | Compound |
anything that has mass and takes up space | Matter |
shows the number of molecules, will be in front (to the left) of the element symbol | Coefficient |
shows how many atoms in a formula; written to the lower right of the element symbol | Subscript |
any property that can be observed using the five senses or can be measured without changing the matter | physical property |
any aspect of a substance which is only seen by means of a chemical reaction | chemical property |