1. SNC1P Review for Unit Test Dec 2015
Whiteboard session
SNC1P Review for Unit Test Dec 2015

2. Intro When is our Unit Test on? Friday!!!
What is your favourite colour?

3. Properties/Changes
List 4 physical properties you could use to tell the difference between a block of ice and a block of iron?
Density, colour, clarity, lustre, malleability
Give me 3 clues that a chemical change has occurred?
Gas given off, colour change, temperature change, odour produced, solid produced
What does ductily mean?
The ability to pull something into thin wires
What is the density?
Is snow melting an example of a physical or chemical change?
Physical

4. Elements, Compounds, Mixtures
Name the two types of pure substances?
Elements and compounds
What is the substance with the symbol Na? What type of pure substance is it?
Sodium and it’s an element
Tell me the elements and how many of them are in H2O2
Hydrogen=2, Oxygen=2

5. Subatomic Particles What does the Atomic Mass tell us?
Number of Protons and Neutrons
Using the Periodic Table how do we find out how many electrons are in an element?
Use the Atomic Number to get protons and if it is a neutral element, the number of protons is equal to the number of electrons

6. BR Diagrams
Draw the BR Diagram for
(a) Calcium
(b) Neon

7. Periodic Table Trends
Ca has 2 e- in it’s outer shell, give me others elements with 2e- in outer shell? Be, Mg, Sr
Write two elements with the same properties as Ne? Ar, Kr, Xe
In terms of the BR diagram, what do K, Ca and Sc have in common? Same no. of shells
How many shells do they have? 4
Name some elements belonging to the Halogen group/family? F, Cl, Br, I