MEDIUM
AS and A Level
IMPORTANT
Earn 100

The first electron affinity of sulphur is . The second electron affinity of sulphur is . Calculate a value for the enthalpy change .

Important Questions on Lattice Energy
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.

EASY
AS and A Level
IMPORTANT
Calculate the lattice energy for sodium chloride, given that:
