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03.03 periodic trends

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kimberly knechtel

on 12 June 2014

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Transcript of 03.03 periodic trends

03.03 periodic trends assignment
Part II: Atomic Radius Trend Going
Down a Group
Part III: Analysis and Conclusion
1. From the graph in Part I the patterns that I observed in the atomic radius as you go across the periodic table is that it looks like the atomic radius is bigger if the atomic number is smaller. This could be because of the decease of the pull that the protons give the electrons the smaller the atomic number.
Part I: Atomic Radius Trend Going
Across the Periodic Table
Part III: Analysis and Conclusion
2.From Part II in the graph, the general trend for the atomic radius going down is the atomic radius is bigger when the atomic number in the same column is also bigger. This is likely because of the electrons in the inner shells. The electrons in the inner shells give more shielding for the other electrons so that they could spread out more.
Part III: Analysis and Conclusion
3. The element Tin is in Period 5 and a member of group 14.
Part III: Analysis and Conclusion
4. By using the graph from Part II, to estimate the atomic radius of Tin (Sn), it came out to be a atomic radius of 150.
By: Kimberly Knechtel
Part III: Analysis and Conclusion
5. When using the math equation to determine my estimated present error, it cam out to be a little over 7 %.
Part III: Analysis and Conclusion
03.03 Periodic trend assignment
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