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Transcript
Name ____________________________________________________________ Date __________________
Ionic Compounds and Metals
Section 2 Ionic Bonds and Ionic Compounds
Skim Section 2 of your text. Write three questions that come to mind from
reading the headings and the illustration captions.
1. _____________________________________________________
2. _____________________________________________________
3. _____________________________________________________
Use your text to define each term.
ionic bond
________________________________________________________
________________________________________________________
ionic compound
________________________________________________________
crystal lattice
________________________________________________________
electrolyte
________________________________________________________
________________________________________________________
lattice energy
________________________________________________________
________________________________________________________
Chemistry: Matter and Change
85
Science Notebook
Name ____________________________________________________________ Date __________________
Section 2 Ionic Bonds and Ionic Compounds (continued)
Formation of
an Ionic Bond
Use with pages 210–212.
Solve Read pages 211–212 in your text.
You Try It
Problem
Describe the formation of an ionic compound from the elements boron and
selenium.
1. Analyze the Problem
Known:
the electron configurations of the given elements
Unknown:
________________________________________
the number of valence electrons for each neutral atom
________________________________________
________________________________________
2. Solve for the Unknown
Determine how many electrons need to be removed from boron and
how many electrons need to be added to selenium to form noble gas
configurations.
__________________________________________________
__________________________________________________
__________________________________________________
Determine how many boron atoms and how many selenium atoms must
be present for the total number of electrons exchanged between the two
elements to be equal.
__________________________________________________
__________________________________________________
__________________________________________________
3. Evaluate the Answer
The overall charge on one unit of this compound is zero.
boron ions (3/boron ion) 
(3) 
Chemistry: Matter and Change
(
86
selenide ions (

/selenide ion) 
)0
Science Notebook
Name ____________________________________________________________ Date __________________
Section 2 Ionic Bonds and Ionic Compounds (continued)
Properties of
Ionic Compounds
Analyze the relationship between the lattice energy of an ionic compound
and the force of attraction.
_______________________________________________________
Use with pages 212–217.
_______________________________________________________
_______________________________________________________
Describe the relationship between the size of the ions in a compound and
the compound’s lattice energy.
_______________________________________________________
_______________________________________________________
_______________________________________________________
Explain the relationship between lattice energy and the charge of the ion.
_______________________________________________________
_______________________________________________________
Organize the following ionic compounds from those with the least negative
lattice energy to those with the most negative lattice energy.
Chemistry: Matter and Change
____
LiCl
____
BeS
____
LiBr
____
BeO
____
BeCl2
____
RbBr
____
CsI
____
SrCl2
____
CsBr
87
Science Notebook