Chemistry- Trends Study Guide

MINI STUDY GUIDE FOR QUIZ ON PERIODIC TRENDS

Know the meanings/definitions of

  • Period
  • Group or Family
  • Atomic radius
  • Electron affinity
  • Ionization energy
  • Electronegativity

 

Describe the trends for the following through periods and groups.

  • Atomic radius
  • Electron affinity
  • Ionization energy
  • Electronegativity
  • Boiling point

 

If given a list of elements,

  • Be able to identify which element has the greatest/least radius
  • Be able to identify which element has the greatest/least electron affinity
  • Be able to identify which element has the greatest/least electronegativity
  • Be able to identify which element has the greatest/least ionization energy
  • Be able to identify which element is the most/least metallic

 

Be able to explain reasons behind some trends

  • Electron shielding, distance from nucleus and relation to electron affinity
  • Nucleus and energy levels and relation to atomic radius
  • Number and placement of electrons and boiling point
  • Others…