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UNIT 1&2 WJEC Chemistry AS-Level

This class was created by Brainscape user Ellie Paddison. Visit their profile to learn more about the creator.

Decks in this class (31)

1.1 Formulae and Equations
What is an element,
What is a compound,
What is an ionic compound
4  cards
1.2 Basic ideas about atoms
In terms of an atomic nucleus wha...,
What is alpha decay,
What is beta decay
55  cards
1.3 Chemical Calculation
What is relative atomic mass,
Why might actual yield be less th...,
How do you calculate atom economy
6  cards
1.4 Bonding
What is ionic bonding,
What is an ionic crystal,
Why do ionic compounds have high ...
41  cards
1.5 Solid Structures
Describe the crystal structure of...,
Describe the crystal structure of...,
Name 2 giant covalent structures ...
15  cards
1.6 The Periodic Table
Define oxidation in terms of elec...,
Define reduction in terms of elec...,
How do group 2 elements react wit...
17  cards
1.7 Equilibria
What changes occur when a reactio...,
What is a dynamic equilibrium,
Le chatelier principle
15  cards
Equations to remember
Yield,
Atom economy,
Ionisation energy
5  cards
Polarity + Electronegativity
Electronegativity,
Factors that affect electronegati...,
Electronegativity trend down a group
10  cards
The nature of Bonds
What is ionic bonding found between,
What is covalent bonding found be...,
What is metallic bonding found be...
13  cards
Shapes of molecules
What shape has 2 pairs,
What shape has 3 pairs,
What shape has 4 pairs
6  cards
Van Der Waals' Forces
What is a dipole,
What is an induced dipole dipole ...,
Permanent dipole dipole attraction
10  cards
Reaction Mechanisms
Define a nucleophile,
Define electrophile,
Name the 2 types of bond fission ...
9  cards
Acids, Bases and pH
Define an acid,
Define an alkali,
How to tell if an acid is strong
7  cards
2.1 Enthalpy
Exothermic reaction,
Endothermic reaction,
The principle of conservation of ...
14  cards
2.2 Rates of reaction
Define activation energy part 1,
Define activation energy part 2,
How do catalysts allow a reaction...
18  cards
2.3 The wider impact of chemistry
What is carbon neutrality,
What must we do to increase susta...
2  cards
2.4 Organic Compounds
What causes the difference in che...,
Why do spherical isomers have a h...
2  cards
2.5 Hydrocarbons
What is a fossil fuel,
State 2 advantages of fossil fuels,
2 disadvantages of fossil fuels
27  cards
2.6 Halogenoalkanes
What 2 mechanisms do you need to ...,
Which mechanism is used to prepar...,
What is the nucleophile oh provid...
18  cards
2.7 Alcohols + Carboxylic acid
What is fermentation,
What are the 2 stages of industri...,
How is ethene obtained
13  cards
BLOCK 1 Radioactivity
Identity alpha,
Identity beta,
Identity beta
26  cards
BLOCK 1 Electronic structure + massspec
4s fills before 3d apart from,
State all the parts of the mass s...,
What do vacuum pumps do
11  cards
BLOCK 2 Bonding
Define electronegativity,
Why does electronegativity increa...,
Define a covalent bond
38  cards
BLOCK 2 Solid structures
2 types of solid,
What is an ionic crystal
3  cards
BLOCK 3 Redox reactions + periodic trends(group1,group2)
Oil rig,
Define oxidation number,
Is alkali soluble in water
24  cards
BLOCK 4 Ionisation energy
Molar first ionisation energy def...,
Molar first ionisation energy,
How does ionisation energy change...
10  cards
BLOCK 4 Atomic emission and Absorption spectra
Transition back to n 1,
Transition back to n 2,
Transition back to n 3
5  cards
BLOCK 5 Chemical Equilibrium
Equilibrium constant calculations,
Equilibrium constant calculations...,
Define dynamic equilibrium
14  cards
BLOCK 5 Acids & Bases
An acid is a proton,
A base is a proton,
W
11  cards
The ideal gas equation
State the formula,
Pressure units,
Volume units
5  cards

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UNIT 1&2 WJEC Chemistry AS-Level

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