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BONDING
This is a force that holds atoms together and are
crucial in determining the properties of a substance.
There are generally 3 broad categories of bonds:
Covalent, Ionic and Metallic
Things that are affected:
·Melting point
·Boiling point
·Density
·Rigidness
·Strength…read more

Slide 2

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Covalen Ionic Metallic
t…read more

Slide 3

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Ionic
Bond
These are form when an atom (with usually 1 or 2 electrons in
the outer shell) donates an electron to a neighbouring atom. The
donator will then take an overall positive charge becoming a
positively charged ion (cation).
Proton number > Electrons number
The receiver atom (with usually 1 or 2 electron spaces in its outer
shell) will take the electron from the donator and take an overall
negative charge becoming a negatively charged ion (anion).
Proton number < Electrons number
The 2 oppositely charged ions will be held together by an
extremely strong electrostatic force of attraction…read more

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Giant Lattice Structure
The individual ions are arranged in a
specific structure.…read more

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Examples of Ionic Compounds
Sodium Chloride (NaCl) aka salt.
Na…read more

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Born-Haber Cycle
Is the cycle that shows how much energy is
released/absorbed when an ionic lattice is formed
from its elements by using the total of the
individual enthalpies. Route 1= Route 2…read more

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