Metals Revision
-
Upload
keith-norris -
Category
Documents
-
view
27 -
download
0
description
Transcript of Metals Revision
Metals Revision
Properties and Reactions of Metals
Properties of Metals
• Usually Solids
• Tough
• Shiny
• Conduct Electricity
• Conduct Heat
Properties of Non Metals
• The Opposite!
• Solids, Liquids and Gases
• Weak and Brittle
• Dull
• Do Not conduct electricity or heat
Reactions of Metals with Acid
METAL + ACID SALT + HYDROGEN
Test for Hydrogen?Burns with a squeaky pop!
Acid and Carbonate Rule
Acid + Carbonate Salt + Water + Carbon Dioxide
Test For Carbon Dioxide?
Turns limewater milky
REACTION RULE
Acid + Metal Oxide Salt + Water
Equations
Copper Oxide + Sulphuric Acid Copper Sulphate + Water
CuO + H2SO4 CuSO4 + H2O
Reaction Rule
Acid + Alkali Salt + Water
Reaction Equations
Potassium + Hydrochloric Potassium + WaterHydroxide Acid Chloride
KOH + HCl KCl + H2O
pH Scale
• Using indicator will tell you the pH of the substance you are investigating
• Match the colour to the chart
• pH of Less than 7 = Acid• pH of Over 7 = Alkali• pH = 7 = Neutral
pH of Less than 7 = AcidpH of Over 7 = Alkali
pH = 7 = Neutral
What do these Safety symbols stand for?
Try Writing Formula Equations
Magnesium + Oxygen Magnesium Oxide
Try Writing Formula Equations
Sodium + Hydrochloric Sodium + WaterHydroxide Acid Chloride
Try Writing Formula Equations
Sulphuric + Copper Copper + Water + Carbon Acid Carbonate Sulphate Dioxide