Year 13

Question 1

first Electron affinity

Answer 1

The enthalpy change that takes place when an electron is added to each atom in a mole of a specific type of atom to form a mole of gaseous 1- ions.

Question 2

Lattice enthalpy

Answer 2

The enthalpy change that accompanies the formation of one mole of an ionic compound from its gaseous ions under standard conditions and state.