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An Introduction to Chemical Elements<br />By: Natasha Brackett<br />
Elements<br />Pure substance<br />Only ONE type of atom<br />Add together to make compounds<br />Make up all chemical matt...
Flickr.comwww.destinysagent.com<br />
Protons<br />+ 1 Positive Charge<br />Found in Nucleus<br />Atomic Number<br />Defines Elements by Atomic Number<br />http...
Electrons<br />- 1 Negative Charge<br />Cancels out Proton<br />Smallest particle in an atom<br />Found in Cloud around Nu...
Electron Shells<br />Only fixed number of electrons per Shell<br />Shells fill from inside out<br />2<br />8<br />8<br />h...
Nobel Gases<br />Last electron shell is full<br />Not very reactive<br />Flickr.comwww.destinysagent.com<br />
Neutrons<br />No Charge<br />Balance atoms<br />Found in Nucleus<br />Cause Isotopes<br />Svdmolen/Jeanot, Public Domain<b...
Individual Elements<br />http://education.jlab.org/qa/pen_number.html<br />
Atomic Weight<br />Measured in Atomic Mass Units (AMU)<br />Protons and Neutrons<br />Electrons are too small<br />Weighte...
Example<br />A) What Atom and Atomic Symbol?<br />B) How many protons?<br />C) How many electrons in a neutral atom?<br />...
A) What atom/ atomic symbol?<br />                                 Titanium/ Ti<br />B) How many Protons?<br />           ...
D) How many Neutrons?<br />Atomic Weight ≈ 48 Amu <br /> Take Atomic Weight  and subtract atomic number/ amount of protons...
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Power Point Pt 1

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Power Point Pt 1

  1. 1. An Introduction to Chemical Elements<br />By: Natasha Brackett<br />
  2. 2. Elements<br />Pure substance<br />Only ONE type of atom<br />Add together to make compounds<br />Make up all chemical matter<br />All known elements are in periodic table<br />http://en.wikipedia.org/wiki/Chemical_element<br />
  3. 3. Flickr.comwww.destinysagent.com<br />
  4. 4. Protons<br />+ 1 Positive Charge<br />Found in Nucleus<br />Atomic Number<br />Defines Elements by Atomic Number<br />http://en.wikipedia.org/wiki/Protons<br />
  5. 5. Electrons<br />- 1 Negative Charge<br />Cancels out Proton<br />Smallest particle in an atom<br />Found in Cloud around Nucleus<br />http://en.wikipedia.org/wiki/Electron<br />http://chemistry.about.com/od/atomicmolecularstructure/a/aa062804a.htm<br />
  6. 6. Electron Shells<br />Only fixed number of electrons per Shell<br />Shells fill from inside out<br />2<br />8<br />8<br />http://en.wikipedia.org/wiki/Electron_shell<br />
  7. 7. Nobel Gases<br />Last electron shell is full<br />Not very reactive<br />Flickr.comwww.destinysagent.com<br />
  8. 8. Neutrons<br />No Charge<br />Balance atoms<br />Found in Nucleus<br />Cause Isotopes<br />Svdmolen/Jeanot, Public Domain<br />
  9. 9. Individual Elements<br />http://education.jlab.org/qa/pen_number.html<br />
  10. 10. Atomic Weight<br />Measured in Atomic Mass Units (AMU)<br />Protons and Neutrons<br />Electrons are too small<br />Weighted Average of All Isotopes<br />http://education.jlab.org/qa/pen_number.html<br />
  11. 11. Example<br />A) What Atom and Atomic Symbol?<br />B) How many protons?<br />C) How many electrons in a neutral atom?<br />D) How many Neutrons?<br />Flickr.comwww.destinysagent.com<br />
  12. 12. A) What atom/ atomic symbol?<br /> Titanium/ Ti<br />B) How many Protons?<br /> 22<br />C) How many Electrons?<br /> 22<br />
  13. 13. D) How many Neutrons?<br />Atomic Weight ≈ 48 Amu <br /> Take Atomic Weight and subtract atomic number/ amount of protons<br />The electrons are too small <br />Number of Neutrons is 26<br />

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