2/4/2013 What is an element? What is a mixture? What is a solution?

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Presentation transcript:

2/4/2013 What is an element? What is a mixture? What is a solution? What is an example of a chemical change? What is an example of a physical change?

2/5/2013 When is our test this week? What are the parts of an atom? What part has a positive charge? What part has a neutral charge? What part has a negative charge?

2/6/2013 No bell work, test. Clear everything off of your desk, except for a pen or a pencil.

2/7/2013 Describe melting point. Describe freezing point. Pb is a symbol for what element? What are the columns called in the periodic table? What are the rows called in the periodic table?

2/8/2013 What is a conductor? What is an insulator? Does everything freeze at 32 degrees? Does everything melt at 100 degrees? What is luster?