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10.1: Ions and Ion Formation

Difficulty Level: At Grade Created by: CK-12
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Student Behavioral Objectives

  • The students will define an ion.
  • The students will identify the atoms most likely to form positive ions, and the atoms most likely to form negative ions.
  • The students will explain why atoms form ions.
  • The students will predict the charge on ions from the electron affinity, ionization energies, and electron configuration of the atom.
  • The students will describe how atoms form an ionic bond.
  • The students will state why, in terms of energy, atoms form ionic bonds.
  • The students will state the octet rule.
  • Given the symbol of a representative element, the students will indicate the most likely number of electrons the atom will gain or lose.
  • Given the electron configuration of a representative element, the students will indicate the most likely number of electrons the atom will gain or lose.
  • Given the successive ionization energies of a metallic atom, the students will indicate the most likely number of electrons the atom will lose during ionic bond formation.

Timing, Standards, Activities

Timing and California Standards
Lesson Number of 60 min periods CA Standards
Ions and Ion Formation 1.0 1d, 2c

Activities for Lesson 1

Laboratory Activities

1. None

Demonstrations

1. None

Worksheets

1. Ion Formation Worksheet

Extra Readings

1. The History of Chemical Symbols

Answers for Ions and Ion Formation (L1) Review Questions

  • Sample answers to these questions are available upon request. Please send an email to teachers-requests@ck12.org to request sample answers.

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    Aug 18, 2012
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    Sep 03, 2015
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