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Summary Edexcel A Level Chemistry - Unit 2: Bonding and Structure notes £5.49   Add to cart

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Summary Edexcel A Level Chemistry - Unit 2: Bonding and Structure notes

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My A Level Chemistry notes that helped me achieve an A in my exams

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  • October 8, 2024
  • 9
  • 2022/2023
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, Ionic Bonding

Ionic
Bonding : The Strong elec trostatic fo r c e of attraction b e t we e n oppositely

charged ions .




Fac tors affecting ionic bonding : The ionic charge
-

the greater the charges , the




stronger the
bonding ( m o re is needed to ove rc o m e ).
energy




The ionic radius -
The smaller the ions ,
the m o re




is
closely the ions can pack together) m o re
energy
needed



to ove rc o m e ).




:.
Generally the smaller the ion and the higher the charge,
the stronger the electrostatic attraction .




Cations-formed when e l e c t ro n s a re lost




Al3
+
e .

.
g Na - Nat + e-
,
Al >
- + 3




Anion -

fo r m e d when e l e c t ro n s a re
gained



e .

g .
Cl + e
-




> C
,
0 + 2 > 02




Electron configuration : Dot and c ro s s



e Nazo (Sodium oxide
.



.
g


XX 00 XX



Nat
o
X 0 X
X
02- 0 X
Nat
X

X




XX XX XX

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