The first ionisation energies of magnesium and aluminium are respectively given by

The first ionisation energy is maximum for

The first ionisation energy is maximum for

Why ionosation energy of magnesium is greater than aluminium ?

The second ionisation energy of N and O in electron volt are respectively given by:

The first ionisation energies of Li, Be, B and C are in the order:

The value in electron-volt per atom which represent the first ionisation energy of oxygen and nitrogen atom respectively are

The value in electron-volt per atom which represent the first ionisation energy of oxygen and nitrogen atom respectively are

First and second ionisation energies of magnesium are 5.7 and 15.035eV respectively. The amount of energy in kJ needed to convert all the atoms of magnesium into Mg^(+2) ions present in 12mg of magnesium vapour is [1eV=96.5kJ " mol"^(-1) ]