Matter and Atomic Structure Practice Test

1. Define matter in a complete sentence.
    

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2. Describe the shape and volume characteristics for these state of matter.

   Phase	Shape	Volume
   Solid
   Liquid
   Gas

   
   
3. List three physical properties of matter.
    

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4. Name two chemical property of matter.
    

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5. Tell whether the following are chemical or physical changes:

   ________ toasting bread	________ cutting a piece of paper
   ________ dry ice turning into vapor	________ cutting a flower

6. To melt 2 grams of substance X requires 400 Joules (metric energy units). When the liquid freezes how much energy is released?
    

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7. Are these homogeneous (HOM) or heterogeneous (HET) mixtures?

   ________ chunky peanut butter	________ smooth peanut butter
   ________ marking pen inks	________ the chair you are sitting on.

8. Compare and contrast an element and a compound.
    

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9. Are these elements (ELE) or compounds (COM) or mixtures (MIX) ?
   You have three choices !

   _______ wood	_______ carbon	_______ play dough
   _______ air	_______ oxygen	_______ table salt

10. Complete this phase change concept map.
11. Complete this phase change diagram. Write in the names of the phases (dashed lines) and the phase change processes (arrows). There are seven answers.
    
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13. Find sulfur on the periodic table. How many protons are in sulfur? __________
14. What is the atomic number of sulfur? ________
15. What is the atomic mass of sulfur? ________         What is the symbol for sulfur? ________
16. How many neutrons are in the most common isotope of sulfur? ________
17. In what group is sulfur ? ________         In what period is sulfur? ________
18. Below draw a Bohr diagram for sulfur.         Below draw a Lewis diagram for sulfur.