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Periodic Trends
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  • Update Date: 26 Sep 2023
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  • periodic table
  • periodic trends
  • energy level
  • valence electron
  • reactivity
  • chemical bond
  • atomic radius
  • ionization energy
  • electron affinity
  • isoelectronic
Video Introduction

This video is adapted from: https://www.youtube.com/embed/rL6N9mA27zo

Periodic trends are specific patterns in the properties of elements within the periodic table. These properties affect how elements will react with one another, and thus explain why elements in a particular group react similarly. In this lecture I cover the periodic trends that relate to atomic radius, ionization energy and electron affinity. Included in this video are concepts relating to isoelectronic states, element reactivity, and the differences between first, second, and third ionization energies.

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If you have any further questions, please contact Encyclopedia Editorial Office.
Geek, B. Periodic Trends. Encyclopedia. Available online: https://encyclopedia.pub/video/video_detail/639 (accessed on 05 December 2025).
Geek B. Periodic Trends. Encyclopedia. Available at: https://encyclopedia.pub/video/video_detail/639. Accessed December 05, 2025.
Geek, Biochem. "Periodic Trends" Encyclopedia, https://encyclopedia.pub/video/video_detail/639 (accessed December 05, 2025).
Geek, B. (2023, March 02). Periodic Trends. In Encyclopedia. https://encyclopedia.pub/video/video_detail/639
Geek, Biochem. "Periodic Trends." Encyclopedia. Web. 02 March, 2023.
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