Unit 4 Word Scramble
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Term | Definition |
Chemical change | the formation of a new substance with different properties; cannot be undone by physical means |
Chemical formula | a representation of a compound in which the elements are represented by their symbols and subscripts represent the number of atoms of each element |
Chemical reaction | a change caused by the interaction of two or more substances resulting in the formation of new substances |
Compound | a pure substance made by chemically combining two or more elements |
Element | a pure substance that cannot be broken down chemically into simpler substances |
Physical change | change which alters the physical properties of a substance without changing its identity |
Precipitate | the solid that is formed as a result of a precipitation reaction |
Subscript | the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element present in a chemical formula |
Evidence | facts or information indicating whether a belief or proposition is true or valid. |
Physical properties | a characteristic of matter that may be observed and measured without changing the chemical identity of a sample. |
Created by:
Turnerr
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