We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byShayna Wildman
Modified over 4 years ago
Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021
Name the two elements which are liquids at room temperature. Mercury and bromine
Name an element which is a solid at room temperature. Iron, copper, zinc, potassium, tin, gold, silver and many others.
Name an element which is a gas at room temperature. Oxygen, nitrogen, fluorine, chlorine, hydrogen
Are there more or less metals than non-metals? There is more metals.
Give an example of a metal which was one of the first to be discovered Gold, silver and copper
Which elements show similar chemical properties? Elements in the same column
What is a compound? Different atoms joined together.
What does the ending -ide tell you about a compound? 2 elements joined together
What does the ending -ate/ite indicate about a compound? Oxygen is present
What is a mixture? Two or more substances not joined together
What is the percentage of nitrogen and oxygen in air? Nitrogen -80% Oxygen -20%
What is the test for oxygen? It relights a glowing splint
Why does air not give a positive test for oxygen? There is not enough oxygen in the air.
What is a solution? A solution is formed when a substance dissolves in a liquid.
What term is used to describe a substance which dissolves in a liquid? Soluble
What term is used to describe a substance which does not dissolves in a liquid? Insoluble
What is a saturated solution? A solution in which no more solid can be dissolved.
Which has more substance dissolved in it a concentrated or dilute solution? Concentrated
How is a solution diluted? Add more liquid(water)
Which gas is dissolved in drinks to make them fizzy? Carbon dioxide gas
What is the test for carbon dioxide gas? Turns limewater milky
Why is chlorine dissolved in drinking water? To kill bacteria(germs)
Why is sodium fluoride dissolved in drinking water To prevent tooth decay
What is the problem with lead compounds being present in drinking water? Harmful to health
What does this hazard warning symbol tell you? Toxic or poisonous
What does this hazard warning symbol tell you? Flammable / catches fire easily
What does this hazard warning symbol tell you? Harmful or irritant
Intermediate1 Unit 1a 123 4567 89 10 111213 14 15 22 23242526 27 161718192021
Year 12 What you should know already
Intermediate 1 Unit 1b & c Reactions & Bonding
Intermediate 1 Unit 1d Acids & Alkalis
Intermediate 1 Unit 3a & b Photosynthesis, Respiration & Fertilisers
Chlorine Cl 2 Hydrogen chlorideHCl Methane CH 4 Carbon dioxide CO 2 Draw a line between the molecule and its name.
Atoms and Elements. Chlorine Cl 2 Hydrogen chlorideHCl Methane CH 4 Carbon dioxide CO 2 Draw a line between the molecule and its name.
Element, Compound or Mixture?
Periodic Table The Periodic Table is a list of all the elements known to man. Elements are listed by their symbols, for example Gold: Au and Lithium: Li.
Classification of Matter Matter – anything that has mass and takes up space Pure Substance - matter that CANNOT be physically separated Compound – made.
ATMOSPHERE OCEAN ROCKS & MINERALS
Carbon Compounds 2a Int
Compounds and Mixtures Name ________________ Elements If a solid, liquid or gas is made up of only one type of atom we say it is an element. For example,
Atoms Elements Molecules Compounds Pure Substance Mixture Solution.
Atoms, Elements and the Periodic Table
7B16 Periodic Table Elements
Atoms and Elements.
S2 Science Elements and Compounds REVISION By contributing to investigations into familiar changes in substances to produce other substances, I can describe.
Unit 1 Building Blocks Menu To work through a topic click on the title. Substances Chemical Reactions Bonding Acids and Alkalis End.
© 2018 SlidePlayer.com Inc. All rights reserved.