HARD
AS and A Level
IMPORTANT
Earn 100
Suggest why the second and third electron affinities are always endothermic.
Important Questions on Lattice Energy
MEDIUM
AS and A Level
IMPORTANT
The first electron affinity of sulphur is . The second electron affinity of sulphur is . Calculate a value for the enthalpy change .
MEDIUM
AS and A Level
IMPORTANT
Write an equation representing the first electron affinity of iodine.
MEDIUM
AS and A Level
IMPORTANT
Write an equation representing the second electron affinity of sulphur.
MEDIUM
AS and A Level
IMPORTANT
Explain the trend in the first electron affinities going from Sulphur to tellurium.
EASY
AS and A Level
IMPORTANT
Write an equation to represent the first ionisation energy of caesium.
EASY
AS and A Level
IMPORTANT
Write an equation to represent the third ionisation energy of aluminium.
EASY
AS and A Level
IMPORTANT
Write an equation to represent the enthalpy change of formation of calcium oxide.
EASY
AS and A Level
IMPORTANT
Write an equation to represent the enthalpy change of formation of iron() chloride.
