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Particle Theory of Matter
Physical Properties
Periodic Table
Pure Substances & Mixtures
Chemical Properties
100
What are the three states of matter?
Solid, liquid, gas
100
Would you the colour of water "clear" or "colourless"?
Colourless
100
What side of the periodic table are the metals on?
the left
100
The mixture we separated in class contained what?
Sand, salt, iron filings
100
What evidence of a chemical reaction did you see when we added the sulphuric acid to the sugar?
Colour change
200
How do particles behave in a solid?
Slow moving and very close together
200
What physical property would you use to distinguish between vinegar and water?
Smell
200
What charge does a proton have?
Positive
200
Is pizza a heterogeneous or a homogeneous mixture?
Heterogeneous
200
What TWO evidence of a chemical reaction did you see when we added the magnesium strips to the hydrochloric acid?
Bubbles of gas and temperature increase
300
How do the particles behave in a liquid?
Constantly moving but connected to one another
300
Describe the physical properties of orange juice
Orange, liquid, can't see through it
300
Which element has 31 protons (and electrons)?
What is Gallium
300
Is milk homogeneous or heterogeneous?
Homogeneous
300
What evidence of a chemical reaction did you see when the lead nitrate and potassium iodide were mixed?
Colour change to bright yellow
400
How do the particles behave in a gas?
Free moving and barely connected
400
What is MORE viscus, ketchup or water?
Ketchup
400
Is Hydrogen (H) a metal or a non-metal?
Non-metal
400
How did we separate the mixture in class?
Magnet for iron, filter for sand, heat for water
400
What evidence of a chemical reaction did you see when the copper wire was put in the silver nitrate?
Silver precipitate formed
500
Use particle theory to explain what happened to our helium balloons
The cold air caused the particles to slow down and move closer together
500
What is MORE dense, oil or dish soap?
Dish soap
500
How many electrons does Xenon have?
54
500
What TWO things do not count as matter?
Sound and light
500
What evidence of a chemical reaction do you see when rust happens to a vehicle?
Change in colour