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Interview

Chemistry:Chemical Combination

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An extensive detailed explanation on chemical bonding with suitable and practicable examples in chemistry

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Uploaded on
June 10, 2023
Number of pages
32
Written in
2022/2023
Type
Interview
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Basic Concepts of Chemical Bonding
Cover 8.1 to 8.7 EXCEPT
1. Omit Energetics of Ionic Bond Formation
Omit Born-Haber Cycle
2. Omit Dipole Moments

, ELEMENTS & COMPOUNDS

• Why do elements react to form compounds ?
• What are the forces that hold atoms together
in molecules ?
and ions in ionic compounds ?

,Electron configuration predict reactivity

Element Electron configurations
Mg (12e) 1S2 2S2 2P6 3S2 Reactive

Mg2+(10e) [Ne] Stable

Cl(17e) 1S2 2S2 2P6 3S2 3P5 Reactive

Cl- (18e) [Ar] Stable

, CHEMICAL BONDS
attractive force holding atoms together

Single Bond: involves an electron pair
e.g. H2
Double Bond: involves two electron pairs
e.g. O2
Triple Bond : involves three electron pairs
e.g. N2
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