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Section 3.2 How Atoms Combine
Main Idea
(continued)
Details
Compounds
Use with pages 60–62.
Organize information about compounds by completing the graphic
organizer below.
Compounds
Substances composed of
.
that are
Chemical Bond
The forces that
.
are
Covalent Bonds
Covalent bonds are created when atoms
.
Molecule
A molecule is
.
Polar Bonds
Polar bonds are covalent bonds in which
.
Ions
Use with page 62.
Organize information about the formation of ions by completing
the flow chart below.
Ions
If energy level
is less than half
full, an atom
tends to lose
electrons to
become
a
Metallic Bonds
Use with page 64.
30
If energy level
is exactly half
full an atom
may
or
electrons
to form either
Create a drawing to help you
understand metallic bonds. Label
positive ions with plus signs and
electrons with minus signs.
Section 3.2 How Atoms Combine
If energy level
is
, an
atom tends to
become
a