5 - Atomic Trends WS.pdf - Electron Configurations and...

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Electron Configurations and Periodic Trends in Atomic Properties 1. Which has a larger radius, Na + or Ne? 2. Identify the three elements using the information listed below: - Element X: has a relatively high ionization energy and has an outmost electron configuration of 3s 2 3p 4 - Element Y: reacts with oxygen to form Y 2 O, has a very low ionization energy, and is in the fourth period of the periodic table - Element Z: is a transition metal and has eight electrons in the third orbital system 3. Briefly explain why Ba has a lower first ionization energy than Ca. 4. Which of these elements Na, Si, Cl, or Cs has: a) The highest first ionization energy? b) The smallest radius? c) The most metallic character?
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