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1. Atom-the smallest unit of an element that maintains the properties of that element. 2. Change of state-a physical change of a substance from one state to another. 3. Chemical change-a change in which one or more substances are converted into different substances. 4. Chemical property-the ability of a substance to undergo a change that transforms it into a different substance. 5. Chemical reaction-a reaction in which one or more substances are converted into different substances. 6. Chemical-any substance that has a definite composition. 7. Chemistry-the study of the composition, structure, and properties of matter and the changes it undergoes.
Approximate Word count = 399 Approximate Pages = 1.6 (250 words per page double spaced)
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