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Elements

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Title: Elements


1
What is Chemistry?
2
Chemistry studies the
  • Composition
  • Structure
  • Properties
  • Transformations
  • of matter

(What its made of)
(How its arranged)
(Characteristics)
(Behavior)
3
What is Matter?
  • Anything that has mass occupies space.

Which of the following are matter? Rain Sunlight
Clouds Heat Rocks Air Steam Radios Radiowaves

4
Whats the difference between mass and weight?
  • Mass is a measure of the amount of matter.
  • Weight is more complicated. Weight depends on
    the amount of matter and on the gravitational
    pull exerted on the matter.

5
What do chemists do?
  • They figure out how things work
  • And
  • They design materials with specific properties
    for specific applications.

Basic Research
Applied Research
6
What materials in your life result from
chemistry?
  • Medicines
  • Plastics
  • Metals
  • Ceramics
  • Synthetic Fibers
  • Concrete
  • Abundant Safe food supply

7
What about energy?
  • Fossil Fuels
  • Solar
  • Nuclear
  • Batteries

8
What about the environment?
  • Ozone Depletion
  • Global Warming
  • Acid Rain
  • Ground water contamination
  • Surface water contamination
  • Heat pollution

9
What kinds of chemistry are there?
Organic
Environmental
Atmospheric
Inorganic
Physical
Surfaces
Pharmaceutical
Nuclear
Analytical
Biochemistry
10
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Whats this?
11
What are Elements?
12
Elements are
  • Fundamental building blocks of nature.
  • Different elements have different types of atoms.

13
What are the parts of an atom?
Protons
Neutrons
Electrons
14
How are atoms of different elements different?
  • They have different numbers of protons.

15
How many elements are there?
  • About 116 elements.
  • Some are man-made.
  • 88 or 92 naturally occurring.
  • (Some have v. short half-lives none around. 43,
    61, 85, 87 no stable isotopes.) Some say only
    43 61 not.
  • Depends on how you count.

16
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17
What is the most abundant element in the universe?
  • Hydrogen!

What is the most abundant element in the earths
crust?
What is the most abundant element in the human
body?
18
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19
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20
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21
What does it look like when you work as a chemist?
22
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s/solutions.jpg
23
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24

http//www.esp.edu/chemistry/reu/chemistry.with.a.
purpose.jpg
25
http//www.benfieldhrc.org/SiteRoot/activities/boo
ks/global_warming.jpg global warning
26
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is.gif
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Travel?
http//news.uns.purdue.edu/UNS/images/shepson.arct
ic.jpeg
http//www.env.leeds.ac.uk/research/ias/chemistry/
images/plane.jpg
29
http//laserweb.jpl.nasa.gov/images/planet_off.jpg

30
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http//www.udri.udayton.edu/NR/rdonlyres/3E0F9390-
ECBE-49FE-A9BB-1BF1353388D7/0/varian.jpg
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http//www.biochemistry.org/education/corecurr96/c
orecurric2.gif
33
http//images.google.com/imgres?imgurlhttp//bioc
hemistry.unh.edu/alumimages/DFCIPIC.jpgimgrefurl
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34
http//www.sciencegeek.net/Chemistry/Powerpoint/Ch
apter22/Chapter22_files/slide0001_image002.jpg
35
http//www.science.mcmaster.ca/mnr/graphics_presen
t/Inside-Reactor/newcore.jpg
36
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ages/dennis.jpg
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ischarge_pix.jpg
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40
1 atm 760 torr
1 X 10-10 torr
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41
28 Mn on Ag
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ges/leer-sml.gif
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/science_nature/images/ibm.jpg
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42
http//www.fisica.uniroma2.it/infm/nanolab/HREELS1
.jpg
43
http//www.cm.utexas.edu/white/images/skunk_hreels
.jpg HREELS 2
44
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te.jpg
45
Requirements for Medical School
  • 1 year of biology
  • 1 year of calculus
  • 1 year of physics
  • 2 years of chemistry

46
Requirements for Engineering
  • Many engineering fields require at least 1 year
    of college chemistry

47
Requirements for Art History/Art Restoration
  • At least 1 year of college chemistry
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