Elements, Mixtures And Compounds
Upcoming SlideShare
Loading in...5
×
 

Elements, Mixtures And Compounds

on

  • 5,249 views

 

Statistics

Views

Total Views
5,249
Views on SlideShare
5,236
Embed Views
13

Actions

Likes
0
Downloads
43
Comments
0

3 Embeds 13

http://www.slideshare.net 9
http://griggans.edublogs.org 3
http://blendedschools.blackboard.com 1

Accessibility

Categories

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

Elements, Mixtures And Compounds Elements, Mixtures And Compounds Presentation Transcript

  • Elements, mixtures and compounds By the end of the lesson you should be able to:
    • Recognise and classify elements, mixtures and compounds
    • Recall some chemical symbols
    • Write word/symbol equations
    • Give some uses of rock salt
    • Describe how rock salt is purified
  • Starter
    • Work in pairs
    • Sort the cards so into 6 rows. Each row should have in it:
      • A picture (at the start)
      • A card that says what that picture shows
      • A card that explains your choice (at the end)
      • e.g.
    THIS PICTURE IS AN ELEMENT BECAUSE ALL THE ATOMS ARE THE SAME
  • 8E Making marvellous molecules!
  • Word and Symbol Equations
    • An equation is short way of describing a chemical reaction
    • E.G. When carbon reacts with oxygen, carbon dioxide is made
    • Carbon + Oxygen  Carbon dioxide
    • C + O 2  CO 2
    Reactants Products
  • Separating Rock Salt Crush Rock Salt Add Water Filter mixture Evaporate Water Salt is left behind
  • Uses of Salt Pure Salt Rock Salt De-icing Roads Electrolysis Food use, dyeing, dishwasher salt, preservatives, bath salts Solvay Process Sodium Carbonate Making glass, soaps, paper, dyes Hydrogen – fuel, making margarine Sodium Hydroxide - making paper, soaps, fibres, detergents Chlorine – killing germs in water, bleaches