Chemistry: Chemical Bonding Activity Worksheet Template
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3Strand I: Chemistry
Unit I: Atomic Structure & Bonding
Ionic Bonding #3
Name: _________________________
Period: _____ Date: _____________
Chemistry: Chemical Bonding Activity
Introduction
When atoms bond together to form ionic compounds, they will not combine with just any other atom. For
example, two atoms that will never form an ionic bond are a sodium atom (Na) and a potassium atom (K). This
1+
1+
is because both Na
and K
are cations, or positively-charged ions. In order for two atoms to form an ionic
bond, one must be a cation (+ charge) and the other must be an anion (- charge). Remember, opposite
charges attract each other and similar charges repel each other. Opposite charges can bond to each other,
and similar charges cannot.
Activity
1. potassium and bromine -- EXAMPLE
Ion Name
Ion Symbol
Anion/Cation
How Many?
Chemical Formula
+1
Potassium
K
cation
1
KBr
(cation always listed
-1
first)
Bromine
Br
anion
1
2. potassium and oxygen
Ion Name
Ion Symbol
Anion/Cation
How Many?
Chemical Formula
3. magnesium and bromine
Ion Name
Ion Symbol
Anion/Cation
How Many?
Chemical Formula
4. aluminum and nitrogen
Ion Name
Ion Symbol
Anion/Cation
How Many?
Chemical Formula
Lelievre, Geophysical Science
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