CH8_Periodic_Properties_Study_Guide

CH8_Periodic_Properties_Study_Guide - Name:

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Unformatted text preview: Name: ___________________________________ CH101 Periodic Properties of the Elements – Study Guide sections 8.5, 8.7, and 8.8 in the textbook Periodic Properties (section 8.5, 8.7, 8.8) Elements in the same column have _____________(similar or different) chemical and physical properties because they have the __________ (same or different) number of valence electrons in the same kinds of orbitals. Trend in Atomic Radius – Main Group Atomic Radius ____________ (increases or decreases) down a group because _______________________. Atomic Radius ____________(increases or decreases) across a period because_______________________. Which atom is larger? Mg or Ba Which atom is smaller? Si or Cl Trends in Ionic Radius Cations are much ____________ (smaller, larger) than their corresponding atoms because _____________________________________. Anions are much _____________ (smaller, larger) than their corresponding atoms because _____________________________________. Which is larger?: Na or Na1+ Which is smaller?: N or N3‐ Trends in 1st Ionization Energy The ionization energy of an atom is defined as ________________________________________________. 1st Ionization Energy generally ____________ (increases or decreases) down a group because _________________________________. 1st Ionization Energy generally _____________(increases or decreases) across a period because _________________________________. Which atom has the larger 1st ionization energy? F or I Which atom has the smaller 1st ionization energy? Na or S Trends in Electron Affinity The electron affinity of an atom is defined as ________________________________________________. Electron Affinity generally ____________________(increases or decreases) across a period. Which atom has the higher electron affinity? Se or Br Trends in Metallic Character Metallic Character ____________ (increases or decreases) down a group because ___________________. Metallic Character ____________(increases or decreases) across a period because____________________. Which atom has more metallic character? K or Cs Which atom has less metallic character? Ga or As End of Chapter Practice Problems Tro First Edition: # 67, 71, 73 Tro Second Edition: #69, 73, 75 answers are located in Appendix III of the textbook Take the Quiz on Blackboard 2 ...
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