When positive ions (cations) and negative ions (anions) come closer to each other, they are held by electrostatic forces of attraction.
The electrostatic attraction between the oppositely charged ions is called
the ionic bond.
Ion types are summarized as shown in Table 5
|
Table 5 - Types of Ions |
|
Ion type |
Electronic configuration of outer shell |
Examples |
|
Noble gas configuration |
ns2 np6 |
Na+, Ca2+ Ai3+ Cl-, O2 - |
|
Pseudo noble gas configuration |
ns2 np6 nd10 |
Ag+, Zn2+ |
|
Inert pair |
(n-1)s2(n-1)p6(n-1)d10 ns2 |
Sn2+, Bi3+ |
[next page]
|
Index
4.1
Introduction
4.2 The Ionic Bonds
4.3 The Covalent Bonds
4.4 The Polar Bonds
4.5 Electronegativity
4.6 Others Bonds
Chapter 5
|
