key terms chapter 1

key terms chapter 1 - Chemistry: Chapter 1 1/17/08: Erica...

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Chemistry: Chapter 1 1/17/08: Erica Murray Chemistry Study of matter and changes in matter Matter  occupies space and has mass Properties  characteristics that are distinct for each material and that help you to identify them Physical State  the form in which matter is present; that is, solid, liquid, or gas Solid  a state of matter; a sample of matter has a definite shape and volume Liquid  a state of matter; a sample of matter that has a definite volume and indefinite shape; shape is determined by a  container Gas  sample of matter that has indefinite volume and shape, where volume and shape are determined by a container Melting  the change as solid turns into liquid Freezing  the change of liquid turns into solid Melting Point  measured when the sol solid and liquid states are both present Freezing Point  measured when liquid and gas states are both present  Temperature of fusion (melting point)  point where solid and liquid states are both present; point where solid melts to  become a liquid  Evaporation  a change of state from liquid to gaseous Vaporization 
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key terms chapter 1 - Chemistry: Chapter 1 1/17/08: Erica...

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