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Patterns of Reactivity

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Patterns of Reactivity Properties of metals and non-metals Reactions of metals with oxygen Reactions of metals with water Reactions of metals with acids Complete the ... – PowerPoint PPT presentation

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Title: Patterns of Reactivity


1
Patterns of Reactivity
2
Properties of metals and non-metals
Metals have very high melting points (which means
that they are usually _____) whereas non-metals
will melt at lower ___________ All metals conduct
heat and __________ very well, whereas non-metals
dont (usually) Metals are strong and ______ but
bendable. Non-metals are usually _____ or they
will snap. Metals will _____ when freshly cut or
scratched, whereas non-metals are usually
dull Metals have higher _______ than non-metals
(i.e. they weigh more) Metals can be used to make
______ (a mixture of different metals)
Words - alloys, electricity, solids, weak,
densities, temperatures, tough, shine
3
Reactions of metals with oxygen
When a metal reacts with oxygen it will form a
METAL OXIDE. This is what happens when a metal
rusts or burns.
4
Reactions of metals with water
When a metal reacts with water hydrogen is always
given off. The other product will be either a
metal hydroxide or a metal oxide.
5
Reactions of metals with acids
6
Complete the following reactions
  1. Lithium water
  2. Lithium hydrochloric acid
  3. Silver oxygen
  4. Magnesium sulphuric acid
  5. Potassium oxygen
  6. Aluminium oxygen
  7. Manganese water
  8. Sodium sulphuric acid
  9. Lithium oxygen
  10. Nickel hydrochloric acid

Lithium hydroxide hydrogen Lithium chloride
hydrogen Silver oxide Magnesium sulphate
hydrogen Potassium oxide Aluminium
oxide Manganese oxide hydrogen Sodium sulphate
hydrogen Lithium oxide Nickel chloride
hydrogen
7
Name the following compounds
For example HS Hydrogen sulphide Na2CO3
sodium carbonate
  1. CO2
  2. KBr
  3. HI
  4. NaCl
  5. CaCO3
  6. MgCO3
  7. MgSO4
  8. KMnO4

Carbon dioxide Potassium bromide Hydrogen
iodide Sodium chloride Calcium carbonate Magnesium
carbonate Magnesium sulphate Potassium
permanganate
8
The Reactivity Series
Potassium Sodium Calcium Magnesium Aluminium Carbo
n Zinc Iron Lead Copper Silver Gold
The Reactivity Series lists metals in order of
reactivity
9
Displacement reactions
A displacement reaction is one where a MORE
REACTIVE metal will DISPLACE a LESS REACTIVE
metal from a compound.
10
Some example reactions
Reaction Prediction Observations
Zinc copper sulphate
Zinc lead nitrate
Copper lead nitrate
Copper silver nitrate
Extension work write down the equations for
these reactions
11
Some example reactions
Reaction Prediction Observations
Zinc copper sulphate Reaction DID happen
Zinc lead nitrate Reaction DID happen
Copper lead nitrate Reaction DID NOT happen
Copper silver nitrate Reaction DID happen
Extension work write down the equations for
these reactions
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