aim: Lesson:____
Name_________________
Use a laptop and your lab 1 packet to help you answer the questions below. Do Part 1 first, then we will discuss your answers to part 1 as a class discussion. Please prepare for discussion by Table-Talking your answers with your group members before you write them down. After Part 1 discussion, move on to part 2, which we will then discuss, and finally, we will hit part 3.
Part 1
1. What is an atom?
2. What is the difference between a single atom and a compound?
3. Name 3 different chemical compounds, write their chemical formulas here: You may not use water or salt. Then describe its function or use.
4. Choose three different types of Atoms, and using the link at http://www.rsc.org/periodic-table describe 5 physical properties of each, and 1 historical fact of each:
Element:
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Element:
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Element:
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Fact:
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5. Choose one of the elements above and do an internet search to discover ONE of its chemical properties. Describe it here.
6. How are physical changes different than chemical changes?
Part 2:
7. Visit this website and read through it. http://www.kentchemistry.com/links/Matter/ClassifiyingMatter.htm. Sorry the videos don’t work, just start at “How do we classify matter? and answer questions 5, 6, 7:
8. What is the key difference between a mixture and a pure substance?
9. Fill in the T-Chart Below by describing traits of each.
Elements
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Compounds
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Substances
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Homogenous Mixtures
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Heterogeneous Mixtures
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Definition:
Characteristics:
Examples:
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10. What is the difference between a mixture and a compound?
11. Using colors, indicate the molecular configuration of a mixture with at least 3 substances. In the other box, draw the molecules of a PURE substance.
Part 3:
12. Use a ruler to measure the length of this paper: ____ cm.
Is it possible to get an exact measurement of the length of the paper? Why or why not?
