# how enthalpy of atomisation determines the standard electrode potential of elements?

The question asked does not belong to your class though a simple answer is provided below:

Enthalpy of atomisation is the amount of enthalpy change when a compound's bonds are broken and complete separation of all atoms of a chemical substance takes place. It is denoted by the symbol ΔHa.
For example: In H2, the enthalpy of atomisation is equal to bond dissociation energy of H$-$H bond.

Standard electrode potentials is sum of enthalpy of atomisation, ionisation energy and hydration enthalpy. Hence enthalpy of atomisation determines the standard electrode potential.

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