Chemistry

• chemistry


  the study of the composition, structure, properties, and changes of matter
• composition of matter


  relates to the kinds of elements it contains
• structure of matter


  relates to the ways the atoms of these elements are arranged
• property


  any characteristic that gives a sample of matter its true identity
• molecule


  an entity composed of two or more atoms, with the atoms attached to one another to one another in a specific way
• scientific method 


  is a dynamic process used to answer about the physical world
• hypotheses


  observations and experiments that lead to tentative explanations
• theory


  tested and refined hypothesis that may be developed that can predict the results of future observations and experiments
• scientific law


  a general law that summarizes how nature behaves
• scientific law


  observations that repeatedly lead to the same consistent results