Ionic Bonding

Chapter 7 Ionic and Metallic Bonding

Ions ,[object Object],[object Object],[object Object]

Valence Electrons ,[object Object]

Octet Rule = atoms tend to gain, lose or share electrons so as to have 8 electrons ,[object Object],[object Object],[object Object],Gain 4 electrons Gain 3 electrons Gain 2 electrons

Key Concept ,[object Object],[object Object]

Formation of Cations ,[object Object],[object Object]

Electron–Dot Structures for Ions ,[object Object],Sodium Atomic number 11 1 s 2 2 s 2 2 p 6 3 s 1 1 Valence electron Na Remove electron to form ion Sodium Ion Atomic number 11 1 s 2 2 s 2 2 p 6 3 s 0 Na + Now has full shell with similar electronic configuration to Neon --Stable noble gas configuration

Formation of Anions ,[object Object]

Electron–Dot Structures for Ions ,[object Object],Chlorine atomic number 17 1 s 2 2 s 2 2 p 6 3 s 2 3 p 5 7 Valence electrons Add electron to form ion Chloride ion atomic number 17 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 8 Valence electrons - Now has full shell with similar electronic configuration to Argon --Stable noble gas configuration Cl Cl

Lewis Dot Structures Mg example 1 s 2 2 s 2 2 p 6 3 s 2 [Ne] 3 s 2 The valence shell is the outermost shell of electrons of an atom. 2 electrons in the valence Shell Mg Use dots to represent Valence Electrons

Electron-Dot Structures ,[object Object],[object Object],[object Object]

Ionic Bonds ,[object Object],[object Object],The electrostatic forces that hold ions Together in ionic compounds are Called Ionic bonds.

Ionic Bonds: One Big Greedy Thief Dog!

Formula Units ,[object Object],[object Object]

[object Object],[object Object],[object Object]

Practice, Practice, Practice ,[object Object],[object Object],[object Object]

Properties of Ionic Compounds ,[object Object],[object Object],[object Object]

Practice, Practice ,[object Object],[object Object],[object Object],[object Object],[object Object]

7.3 Bonding in Metals ,[object Object],[object Object],[object Object]

Metallic Bonds: Mellow dogs with plenty of bones to go around.

Alloys ,[object Object],[object Object]

Learning Check ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Learning Check ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Solution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Review.. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ionic Bonding

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Ionic Bonding