1. Trilogy – Chemistry – CHAPTER 1 – Atomic structure and the Periodic Table
What is an element?
Particle
Relative charge
Relative mass
Where in atom
Proton
Electron
Neutron
Write down all you know about the periodic table:
What is a compound?
Element
Proton
Electron
Neutron
Lithium
Argon
What is a mixture?
In a balanced equation, the ________ of each type of _______ on each side of the equation must be ____________.
Balance the following equations:
Mg O2  MgO
CH4 + O2  CO H2O
Mg HCl  MgCl H2
K Cl2  KCl
How many atoms of each element are there in:
C2H5OH ?
Element Compound
Formula Equation
Filtration Crystallisation
Distillation Chromatography
Electron Proton Neutron
Properties of metals:
Properties of non-metals:
Show how sodium bonds to chlorine:
Separating mixtures – mixtures can be separated by physical processes that do not involve chemical reactions.
Explain how the following processes work:
Filtration:
Crystallising:
Distillation:
Chromatography:
KEY WORDS:
ASSESSMENT:

2. Trilogy – Chemistry – CHAPTER 1 – Atomic structure and the Periodic Table (cont)
What are the elements in group 0?
What do group 0 elements have in common?
Why do group 0 elements exist as single atoms?
Trends in group 0 – As you go down the group what happens to:
The boiling point:
The melting point:
The density:
Group 1 – The ____________ metals
Group 1 metals get _______ reactive as you go down the group.
Explain why group 1 metals get more reactive down the group:
Properties:
Li, Na, K are all _________ _________ than water, so they float on water.
Gp1 metals all react vigorously with water to make a metal hydroxide (an alkali) and hydrogen:
Na H2O  __________ _________
When group 1 elements react they ________ _______ ___________ to form a __________ ion with a full outer shell.
Group 1 ions all have a ______ charge.
Group 1 metals react with non-metals to form __________ compounds. These compounds are _________ solids that dissolve in water to form a colourless solution.
Na + Cl2  __________ (remember to balance)
K + O2  _________
Group 7 – The _________________
What are the elements of group 7?
Properties and reactions:
Halogens are ___________.
Exist as _________ of atoms eg Cl2
React __________ with group _____ and group 2 metals to make salts:
K + Cl2  (remember to balance)
Reactivity _______________ down the group.
If chlorine is bubbled through potassium bromide solution, a ______________ reaction occurs. The ____________ colour of bromine is seen. This happens because chlorine is ________ _________ than bromine, so it displaces it from its compound.
Cl KBr  _______ + ________
Group 7 trends:
As you go down the group:
The colour ______ ______________
The boiling point ____________, fluorine and chlorine are _________, bromine is a ________ and iodine is a ________, at room temperature.
Draw the electronic structures for:
Sodium:
Argon:
Fluorine:
KEY WORDS:
Unreactive
Reactive
Properties
Alkali
Density
Ion
Displacement
ASSESSMENT: