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Slide 1

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Chemistry Revision ­
C2…read more

Slide 2

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Atomic Structure and Bonding
particle relative charge
proton +1
neutron 0
electron -1…read more

Slide 3

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Ionic Bonding
Ions are charged particles when
atoms lose or gain electrons.
Lithium becomes Sodium also Calcium loses two
positive because it becomes positive electrons and
loses an electron. as it loses an therefore becomes
Li+ electron. Ca2+.
Na+…read more

Slide 4

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Chlorine gains an electron so Oxygen gains two atoms and so,
it becomes a negative becomes a negative oxide ion.
chloride ion. Cl- O2-…read more

Slide 5

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Ionic bonding in Sodium Chloride
Sodium has 11 electrons
and Chlorine has 17
An electron from the
Sodium atom moves
to the Chlorine atom
so Sodium becomes
positive and Chlorine
becomes negative.…read more

Slide 6

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Magnesium Oxide, MgO
Calcium Chloride, CaCl2…read more

Slide 7

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Slide 8

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Slide 9

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Slide 10

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