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Slide 1

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Acid= Proton donor
CHEMISTRY Base (Alkali)= Proton acceptor
Removing Hardness
Add sodium carbonate
Exothermic Carbonate ions react with the
The energy given out . calcium and magnesium and
Products have less energy forms calcium and magnesium
then reactants
carbonate. Which are insoluble
Endothermic
Energy is being taken in. The
products have more energy
then reactants
Transition Metals
The transition elements have similar
properties and some special
properties because a lower energy level
(inner shell) is being filled
in the atoms of the elements between
Groups 2 and 3. This is
because the third energy level can hold
up to 18 electrons, once
two electrons have occupied the fourth
level.…read more

Slide 2

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Carbonates
Identifying substances
Add dilute acid
Sulfate ions-
Fizz- Carbon dioxide
Barium chloride
Turns limewater milky
and dilute
Metal ions hydrochloric acid
White precipitate
All sodium hydroxide !!
Aluminium Nitrate ions
Calcium Aluminium
Magnesium powder and
Copper (blue) sodium hydroxide
Iron 2 (green) Ammonia
Litmus paper
Iron 3 (brown)
blue
Unsaturated organic Chloride, Bromide and Iodide
compound-
Silver nitrate and nitric acid
Saturated organic
compound- White Cream Yellow…read more

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