Trends in The Periodic Table - SCH3U Aliyah Jhingut Feb...

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SCH3U Aliyah Jhingut Feb. 26/15 Trends of Atomic Radii and First Ionization Energies in the Periodic Table Conducted February 23, 2015 By Aliyah J., Tasnia K., Ashika S. and Lydia M. Introduction In this ingestion, I am finding out the change of atomic radii and first ionization energies as I move down a group or across a period. Question How do the atomic radius and first ionization energy of the main group elements compared within a group and across a period? Hypothesis I predict that as I go down the main group group in the periodic table, the atomic radii will increase and as I go across a period, the atomic radii will stay the same. Then, I predict that when I go across a period, the first ionization energy would increase and as I go down the group the first ionization energy would decrease too. Experimental Design With my group, we created two graphs from the data given to us. The first graph was to compare the atomic number with the atomic radii and in the second graph, it was atomic number compared to first ionization energy. Then, I analyzed the trends in each graph and compared each
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